The Heart Flashcards
What is inspiration?
Breathing in
What is expiration?
Breathing out
What is oxygen debt?
The amount of oxygen needed at the end of a physical activity to break down any lactic acid.
What is anaerobic exercise?
Working at a high intensity level without oxygen for energy production.
What is the vena cava?
A large vein bringing deoxygenated blood into the heart
What does venous mean?
Something to do with the veins
What is the Systole?
The phase of the heartbeat when the heart muscle contracts and pumps blood from the chambers into the arteries.
What is the Diastole?
The phase of the heartbeat when the heart muscle relaxes and
lets the chambers fill with blood.
What is blood pressure?
Pressure of blood against the walls of the blood vessels, especially the arteries.
What is vascular shunting?
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 vasodilation?
When veins swell up or dilate to allow increased blood flow.
What is vasoconstriction?
When veins shrink down to decrease blood flow.
What is respiration?
The movement of air from outside the body into cells within the tissues.
What is the diaphragm?
The primary muscle used in the process of inspiration or inhalation. A dome shaped sheet of muscle that separates the chest from the rest of the body.
What is the trachea?
The tube that takes air into the chest, also know as the windpipe.
