SOC15 The Cardiovascular System

Question 1

What is cardiovascular?

Answer 1

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

Question 2

What is vasodilatation?

Answer 2

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

Question 3

What is vasoconstriction?

Answer 3

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

Question 4

What is vascular shunting?

Answer 4

The process that increases blood flow to active areas during exercise by diverting blood away from inactive areas; acheived by vasodilation and vasoconstriction.

Question 5

What is the cardiovascular system?

Answer 5

The cardiovascular system is formed by our heart and blood vessels. Cardio means the heart and vascular means blood vessels.

Question 6

What are the 3 functions of the cardiovascular system?

Answer 6

1. Transport oxygen, carbon dioxide and nutrients.
2. It helps clot the blood.
3. It controls the body’s temperature.