The simplified diagram shows the flow of blood through the lungs, heart and the rest of the body - Junior Cycle Science - Question 2 - 2011
Question 2
The simplified diagram shows the flow of blood through the lungs, heart and the rest of the body.
(i) Name the blood vessels labelled A and B.
A __________________... show full transcript
Worked Solution & Example Answer:The simplified diagram shows the flow of blood through the lungs, heart and the rest of the body - Junior Cycle Science - Question 2 - 2011
Step 1
Name the blood vessels labelled A and B.
96%
114 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
A: aorta
B: vena cava
Step 2
Describe two changes in the composition of blood after it has passed through the capillaries of the lungs.
99%
104 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
1: Carbon dioxide (CO₂) is removed, resulting in less CO₂ in the blood.
2: Oxygen (O₂) is added, increasing the levels of oxygen in the blood.
Step 3
What feature of capillaries allows these changes to happen?
96%
101 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
Capillaries have thin walls that are one cell thick, facilitating efficient exchange of gases.
Step 4
Name the chamber of the heart that pumps blood to the lungs.
98%
120 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
right ventricle
Join the Junior Cycle students using SimpleStudy...
