Soc 15

Question 1

Transportation

Answer 1

It helps to transport oxygen to the muscles, carbon dioxide out, and
nutrients around the body.

Question 2

Body Temperature

Answer 2

The blood controls the body temperature with Vasodilation ans
Vasoconstriction.

Question 3

Vasodilation

Answer 3

When viens swell up or dilate, the widening of the internal diameter of
the blood vessels to allow increased blood flow

Question 4

Vasoconstriction

Answer 4

When viens shrink down, narrowing of the internal diameter of the
blood vessel to increase blood flow

Question 5

Cardio-respiratory system

Answer 5

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

Question 6

Vascular shunting

Answer 6

Your muscle need more blood for movement so move away from
organs to the muscles, that is called vascular shunting. Your heart
starts to beat faster and your blood vessels constrict to divert blood to
muscles. Your reflexes get faster and your muscles may tense up

Question 7

Arteries

Answer 7

Take blood away from the heart. It has thick walls and are more elastic which is higher pressure. The channel to blood flows through called tye lumen.

Question 8

Veins

Answer 8

Veins take blood towards the heart. Veins have much thinner walls and are less elastic and carry blood at low pressure. They contain many valves Who is help deoxygenated blood flow to the heart

Question 9

Capillaries

Answer 9

They are microscopic cells 1 cell thick and they carry oxygenated blood which transfers oxygen and the other end gey carry dexygenated blood into the veins picking up waste products. Also its were gases exchange