Soc 15 : The Cardiovascular System

Question 1

What is the cardiovascular system ?

Answer 1

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

Question 2

What are the 3 functions of the cardiovascular system ?

Answer 2

• transports oxygen , carbon dioxide and nutrience
• it helps clot the blood
• it controls the bodys temperature

Question 3

What is vascular shunting ?

Answer 3

The process that increases bloodflow to active areas during excersize by diverting blood away from inactive areas ; achieved by vasodilation and vasoconstriction .

Question 4

What is vasodilation ?

Answer 4

When veins swell up or dilate ; widening of the lumen of the blood vessels to allow increased blood flow

Question 5

What is vasoconstriction ?

Answer 5

Vasoconstriction is when blood vessels get smaller this happens when we get cold

Question 6

What is the cardio-respiratory system ?

Answer 6

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