Component 1 (structure Of The Heart): Soc 15

Question 1

What is Cardio-respiratory system?

Answer 1

Interaction of the heart and lungs to supply oxygen to muslces during exercise

Question 2

what is Cardiovascular?

Answer 2

To do with the heart, blood and blood vessels together

Question 3

What is 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

What is vasoconstriction?

Answer 4

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

Question 5

What is vascular shunting?

Answer 5

Process that increase blood flow to active areas during exercise by diverting the blood away from inactive areas this is achieved by vasoconstriction and vasodilation

Question 6

What are the three functions of cardiovascular system?

Answer 6

1.transports oxygen, carbon dioxide, and nutrients pumping oxygen around the body
2. Helps blood clots containing platelets helping clots
3. Control the body’s temperature:
- too hot blood vessels close the skin get bigger (vasodilation)
- too cold the blood vessels get smaller (vasocontriction)