Estudamento de ciencias
1) Observa a figura que representa o sangue humano.a) Faz a
legenda da figura.
1 - _______________________________
2 - _______________________________
3 - _______________________________
4 - _______________________________
b) Indica as funes desempenhadas pelo sangue.
_________________________________________________________________________
_________________________________________________________________________
_________________________________________________________________________
_________________________________________________________________________
_________________________________________________________________________
_________________________________________________________________________
_________________________________________________________________________
c) Para cada um dos tipos de clulas representadas, indica a funo
e onde so produzidas.
_________________________________________________________________________
_________________________________________________________________________
_________________________________________________________________________
_________________________________________________________________________
_________________________________________________________________________
_________________________________________________________________________
_________________________________________________________________________
d) Refere as diferenas entre as clulas representadas pelos
nmeros 1 e 2, quanto sua morfologia.
_________________________________________________________________________
_________________________________________________________________________
_________________________________________________________________________
_________________________________________________________________________
_________________________________________________________________________
_________________________________________________________________________
_________________________________________________________________________
2) A figura 2 representa o corao humano.a) Faz a sua
legenda.
1 - _____________________________
2 - _____________________________
3 - _____________________________
4 - _____________________________
5 - _____________________________
6 - _____________________________
7 - _____________________________
8 - _____________________________
9 - _____________________________
10 - ____________________________
11 - ____________________________
12 - ____________________________
13 - ____________________________
14 - _____________________________
15 - _____________________________
b) Indica o nome das vlvulas que separam as aurculas dos
ventrculos.
_________________________________________________________________________
_________________________________________________________________________
c) Indica o nome das vlvulas que separam os ventrculos das
artrias.
_________________________________________________________________________
_________________________________________________________________________
d) Qual a funo das vlvulas indicadas anteriormente.
_________________________________________________________________________
_________________________________________________________________________
_________________________________________________________________________
e) Onde se localizam as artrias coronrias e qual a sua funo?
_________________________________________________________________________
_________________________________________________________________________
_________________________________________________________________________
f) Justifica o facto do miocrdio do ventrculo esquerdo ser mais
espesso que o do ventrculo direito.
_________________________________________________________________________
_________________________________________________________________________
_________________________________________________________________________
g) Qual a diferena entre o sangue arterial e o sangue
venoso?
_________________________________________________________________________
_________________________________________________________________________
_________________________________________________________________________
h) Descreve a circulao sistmica ou grande circulao.
_________________________________________________________________________
_________________________________________________________________________
_________________________________________________________________________
_________________________________________________________________________
_________________________________________________________________________
_________________________________________________________________________
_________________________________________________________________________
i) Descreve a circulao pulmonar ou pequena circulao.
_________________________________________________________________________
_________________________________________________________________________
_________________________________________________________________________
_________________________________________________________________________
_________________________________________________________________________
_________________________________________________________________________
_________________________________________________________________________
j) Quais so os sistemas de defesa do organismo humano?
_________________________________________________________________________
_________________________________________________________________________
_________________________________________________________________________
k) Descreve a ao dos leuccitos na defesa no especfica do
organismo.
_________________________________________________________________________
_________________________________________________________________________
_________________________________________________________________________
_________________________________________________________________________
_________________________________________________________________________
_________________________________________________________________________
_________________________________________________________________________
l) Indica os diferentes tipos de vasos sanguneos e as diferenas
entre eles.
_________________________________________________________________________
_________________________________________________________________________
_________________________________________________________________________
_________________________________________________________________________
_________________________________________________________________________
_________________________________________________________________________
_________________________________________________________________________
3) Descreve sucintamente as fases do ciclo cardaco.
________________________________________________________________________________
________________________________________________________________________________
________________________________________________________________________________
________________________________________________________________________________
________________________________________________________________________________
________________________________________________________________________________
________________________________________________________________________________
4) A figura 3 representa o sistema respiratrio.a) Faz a
respetiva legenda.
1 - _____________________________
2 - _____________________________
3 - _____________________________
4 - _____________________________
5 - _____________________________
6 - _____________________________
7 - _____________________________
8 - _____________________________
9 - _____________________________
10 - ____________________________
b) Quais so as transformaes que o ar sofre ao passar nas vias
respiratrias?
____________________________________________________________________________
____________________________________________________________________________
____________________________________________________________________________
c) Relativamente ventilao pulmonar indica as fases
correspondentes inspirao e expirao.
____________________________________________________________________________
____________________________________________________________________________
____________________________________________________________________________
____________________________________________________________________________
____________________________________________________________________________
____________________________________________________________________________
____________________________________________________________________________
d) Em que consiste a hematose pulmonar?
____________________________________________________________________________
____________________________________________________________________________
____________________________________________________________________________
____________________________________________________________________________
____________________________________________________________________________
____________________________________________________________________________
____________________________________________________________________________
e) Indica os fatores que facilitam a hematose pulmonar.
____________________________________________________________________________
____________________________________________________________________________
____________________________________________________________________________
____________________________________________________________________________
____________________________________________________________________________
____________________________________________________________________________
____________________________________________________________________________
f) Elabora um esquema legendado que represente a hematose
pulmonar.
g) Indica algumas doenas do sistema cardiorrespiratrio.
____________________________________________________________________________
____________________________________________________________________________
____________________________________________________________________________
____________________________________________________________________________
____________________________________________________________________________
h) Indica algumas regras de preveno relativamente s doenas do
sistema cardiorrespiratrio.
____________________________________________________________________________
____________________________________________________________________________
____________________________________________________________________________
____________________________________________________________________________
5) A figura 4 representa o sistema urinrio.a) Faz a sua legenda,
incluindo o rim.
1 - _____________________________
2 - _____________________________
3 - _____________________________
4 - _____________________________
5 - _____________________________
6 - _____________________________
a - _____________________________
b - _____________________________
c - _____________________________
d - ____________________________e - ________________________
f - ________________________g - ________________________
h - ________________________b) Indica as funes do sistema
urinrio.
_________________________________________________________________________
_________________________________________________________________________
_________________________________________________________________________
_________________________________________________________________________
_________________________________________________________________________
_________________________________________________________________________
_________________________________________________________________________
c) Refere algumas doenas que podem afetar o sistema urinrio.
_________________________________________________________________________
_________________________________________________________________________
_________________________________________________________________________
d) Indica medidas a tomar de modo a prevenir contra possveis
doenas no sistema urinrio.
_________________________________________________________________________
_________________________________________________________________________
_________________________________________________________________________
6) A figura 5 representa um nefrnio,a) Qual a sua funo?
__________________________________________
__________________________________________
__________________________________________
__________________________________________
b) Faz a respetiva legenda.
1 - _____________________________
2 - _____________________________
3 - _____________________________
4 - _____________________________
5 - _____________________________
6 - _____________________________
7 - _____________________________
8 - _____________________________
9 - _____________________________
10 - ____________________________
11 - ____________________________
c) Relativamente formao da urina:i. Quais as fases que levam sua
formao?
_____________________________________________________________________
_____________________________________________________________________
_____________________________________________________________________
ii. Onde ocorrem estas fases?
_____________________________________________________________________
_____________________________________________________________________
_____________________________________________________________________
iii. Que transformaes ocorrem em cada uma delas?
_____________________________________________________________________
_____________________________________________________________________
_____________________________________________________________________
_____________________________________________________________________
_____________________________________________________________________
_____________________________________________________________________
iv. Qual a constituio final da urina?
_____________________________________________________________________
_____________________________________________________________________
_____________________________________________________________________
v. Indica o percurso desta desde que se forma at que sai do
organismo.
_____________________________________________________________________
_____________________________________________________________________
_____________________________________________________________________
_____________________________________________________________________
_____________________________________________________________________
_____________________________________________________________________
