exam paper 1

Question 1

effects of lattice acid

Answer 1

causes fatigue in the muscles
causes pain
slows down recovery rate

Question 2

Double circulatory system

Answer 2

blood passes through the heart twice, it consist of two loops

Question 3

Cardiac Output

Answer 3

the volume of blood pumped out of the heart in one minute

Question 4

• Role of red blood cells

Answer 4

to transport oxygen around the body

Question 5

vascular shunt

Answer 5

efers to the process that increases blood flow to active areas during exercise, by diverting blood away from inactive areas.

Question 6

inspiration

Answer 6

Diaphragm and intercostal contract.
Diaphragm moves down, rib cage moves up and out.
Volume inside the chest cavity increases.
The pressure decreases. Rushes in.