Soc 15

Question 1

Cardio-respiratory system:

Answer 1

the interaction of the heart and lungs to supply oxygen to muscles during exersice.

Question 2

Cardiovascular

Answer 2

to do with the
heart, blood and blood vessels
together.

Question 3

Vasodilation:

Answer 3

when veins swell
up or dilate; widening of the
internal diameter (lumen) of the
blood vessel to allow increased
blood flow.

Question 4

Vasoconstriction:

Answer 4

when veins
shrink down; narrowing of the
internal diameter (lumen) of the
blood vessel to decrease blood
flow.

Question 5

Arteries

Answer 5

Arteries take blood away from the heart.

Question 6

Vein

Answer 6

Carries blood into the heart, contains many valves which helps deoxygenated blood flow to the heart.

Question 7

Capillaries

Answer 7

Microscopic vessles, carry oxygenated blood which transfers oxygen and neutrience to the muscles. They carry deoxygenated blood into the veins, picking up waste products and taking them around the body to dispose of them.

Question 8

Cardiovascular system functions 1.

Answer 8

Transports oxygen, carbon dioxide and neutrience.

Question 9

Cardiovascular function 2.

Answer 9

It helps clot blood.

Question 10

Cardiovascular function 3.

Answer 10

It controls your body temperature.