The Circulatory System - Heart Anatomy and Blood Vessels (Video Notes)

Fill-in-the-blank flashcards covering heart anatomy, major vessels, blood components, and circulation.

The heart is roughly the size of your __.

fist

The heart has four chambers: two __.

atria

The heart has four chambers: two __.

ventricles

The heart is located with its axis slightly deviated to the __.

left

The heart beats about __ times per day.

100,000

The chamber that receives deoxygenated blood from the body is the __.

right atrium

The chamber that receives oxygenated blood from the lungs is the __.

left atrium

The chamber that pumps deoxygenated blood to the lungs is the __.

right ventricle

The chamber that pumps oxygenated blood to the body is the __.

left ventricle

The valve between the right atrium and right ventricle is the __ valve.

tricuspid

The valve between the left atrium and left ventricle is the __ valve.

mitral

The valve between the right ventricle and the pulmonary artery is the __ valve.

pulmonary

The valve between the left ventricle and the aorta is the __ valve.

aortic

The large blood vessel that carries oxygenated blood from the heart to the body is the __.

aorta

The large vein that returns blood from the upper body to the heart is the __.

superior vena cava

The large vein that returns blood from the lower body to the heart is the __.

inferior vena cava

Arteries carry blood __ from the heart.

away

Veins carry blood __ to the heart.

toward

Capillaries are the sites of __ exchange between blood and tissues.

gas and nutrient

Blood plasma makes up about __% of the blood volume.

55

Red blood cells are also called __.

erythrocytes

White blood cells are involved in the __ response.

immune

Platelets aid in blood __.

clotting

The membrane surrounding the heart is the __.

pericardium

The thick, muscular layer of the heart wall is the __.

myocardium