EXERCISE PHYSIOLOGY:the heart

Question 1

what is dual action pump?

Answer 1

it has two sides, left and right. the right side pumps deoxygenated blood to the lungs and the left side pumps oxygenated blood to the body.

Question 2

the hearts pulmonary circulation

Answer 2

From the right ventricle to the bicuspid valve (AV valve)

Question 3

The hearts systemic circulation.

Answer 3

from the left ventricle to the tricuspid valve

Question 4

Structure, lumen size and blood pressure of the arteries

Answer 4

small lumen
high blood pressure
3 layers

Question 5

Structure, lumen size and blood pressure of the capillaries

Answer 5

microscopic lumen
slow pressure
1 layer

Question 6

Structure, lumen size and blood pressure of the veins

Answer 6

large lumen
low pressure
3 layers

Question 7

What occurs at the lungs?

Answer 7

gaseous exchange between the alveolar and capillaries

Question 8

what is the process of gaseous exchange?

Answer 8

4 molecules of 02 binds to 1 molecule of haemoglobin.

Question 9

what does gaseous exchange produce?

Answer 9

this creates 02HB= oxyheamoglobin.

Question 10

what percentage of oxygen is carried in the blood stream

Answer 10

97% carried this way WHEREAS 3% is carried in plasma.