The Heart Flashcards
(27 cards)
VO(2) max
The volume of oxygen an athlete can consume while exercising at maximum capacity
Cusp
A triangular fold or flap of the heart valve
Pulmonary
To do with the lungs
Viens
Tube that carries blood back to the heart
Artery
A muscular tube that carries blood away from the heart
Vena cava
Large vein bringing deoxygenated blood into the heart
Venous
To do with veins
Oxygen debt
The amount of oxygen needed at the end of a physical activity to break down any lactic acid
Anaerobic exercise
Working at a high intensity level without oxygen for energy production
Systole
The phase of the heart beat when the heart muscle contracts and pumps blood from the chambers unto the arteries
Diastole
The phase of the heartbeat when the heart muscle relaxes and lets the chambers fill with blood
Blood pressure
Pressure of the blood against the walls of the blood vessels, especially the arteries
Inspiration
Breathing in
Expiration
Breathing out
Vasodilation
When veins swell up or dilate; widening of the internal diameter (lumen) of the blood vessel to allow increased blood flow
Erythrocyte
Red blood cell
Haemoglobin
A red protein in the blood that transports oxygen
Anaemia
A condition where there is a lack if red blood cells or haemoglobin in the blood
Leukocyte
White blood cell
Pathogen
An agent that causes disease, such as a virus
Antibody
A chemical that destroys pathogens
Cardio-respiratory system
The interaction of the heart and lungs to supply oxygen to muscles during exercise
Cardiovascular
To do with the heart, blood and blood vessels together
Immune system
The structures and processes in the body that stop disease
