The Heart Flashcards
VO2 max
The volume of oxygen an athlete can consume while exercising at maximum capacity.
Cusp
A triangular fold or flap of a heart valve.
Pulmonary
To do with lungs
Vein
Tube that carries blood away from 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 the veins
Systole
The phase of the heartbeat when the heart muscle contracts and pumps blood from the chambers into the arteries
Blood pressure
Pressure of the blood against the walls of the blood vessels, especially the arteries
Inspiration
Breathing in
Expiration
Breathing out
Oxygen debt
The amount of oxygen needed at the end of a physical activity to break down lactic acid
Anaerobic exercise
Working at a high intensity level without oxygen for energy production
Erythrocyte
Red blood cell
Haemoglobin
A red protein in the blood that transports oxygen
Anaemia
A condition where there is a lack of red cells or haemoglobin in the blood
Leukocyte
White blood cell
Pathogen
An agent that causes disease, such as a virus
Antibody
Chemical that destroys a pathogen
Cardio-respiratory system
The interaction of the heart and lungs to supply oxygen to muscles during exercise.
Immune system
The structures and processes in your body that stops diseases
Thrombokinase
Substance involved in blood clotting
Serotonin
Hormone that triggers the clotting process
Plasma
The fluid part of blood
Vascular shunting
Process that increases blood flow to active areas during exercise by diverting blood away from inactive areas; achieved by vasodilation and vasoconstriction.
