Soc 15 - The Structure Of The Heart Flashcards
(8 cards)
What are the three main functions of the cardiovascular system?
- Transports oxygen, carbon dioxide and nutrients
- It helps clot blood
- It controls the body’s temperature
What is vascular shunting?
It is a Process that increases blood flow to active areas during exercise by diverting blood away from inactive areas; achieved by vasodilation and vasoconstriction.”
What is the cardio-respiratory system?
The interaction of the heart and lungs to supply oxygen to muscles during exercise.
Definition of cardiovascular
To do with the heart, blood, and blood vessels together
Vasodilation definition
When veins swell up or dilate, widening of the internal diameter (lumen) of the blood vessel to allow increased blood flow.
Vasoconstriction definition
When veins shrink down; narrowing of the internal diameter (lumen) of the blood vessel to decrease blood flow
What does vascular mean?
Blood vessels
What does cardio mean?
The heart
