Soc 15 structure of the The Heart Flashcards
What is vascular shunting?
Process that increases blood flow to active areas during exercise by
Diverting blood away from inactive areas; achieved by vasodilation and vasonconstriction.
What does venous mean?
To do with the vein
What is the vena cava?
Large vein brining de-oxygenated blood to the heart
What is systole?
The phase of the heartbeat when the heart muscle CONTRACTS and pumps blood from the chambers into arteries.
What does Diastole mean?
The phase of the heartbeat where the heart muscle RELAXES and lets the chaambers fill with blood
What is blood pressure?
The pressure of the blood against the walls of the blood vessels, especially the arteries.
(Measure of force that the heart uses to pump blood around your body)
What does pulmonary mean?
To do with the lungs
What is the artery?
A muscular tube that carries blood away from the heart
What is the vein?
A tube that carries blood back to the heart
What is a cusp?
A triangular fold or flap of a heart valve
What are erythrocytes?
Red blood cells
What are antibodies?
Chemicals
that destroy pathogens
What is diffusion?
The movement of anything from a region of high concentration to an area of low concentration.
(Driven by the concentration gradient).
What is the valve between the right atrium and right ventricle called?
Tricuspid valve
What is the valve between the left atrium and left ventricle?
Bicuspid valve
