WJEC GCSE Biology respiration and circulation (Unit 1) overview quiz quiz
16questions. Pick an answer and you'll see why right away.
What is the word equation for aerobic respiration?
What is produced by anaerobic respiration in human muscle?
Why does a person keep breathing hard after vigorous exercise?
Where does aerobic respiration mainly take place in a cell?
During inhalation, the diaphragm:
Which adaptation of the alveoli gives a short diffusion distance?
At the alveoli, oxygen diffuses:
Why is the wall of the left ventricle thicker than the right?
Which vessel carries deoxygenated blood from the heart to the lungs?
What is the correct pathway of deoxygenated blood through the heart?
Which feature of veins prevents blood flowing backwards?
Which blood component carries oxygen?
What is the main role of platelets?
Which substances are carried in the plasma?
Cardiovascular disease develops when:
Which is a treatment for narrowed coronary arteries?