Blood
The Heart
The Cardiac Cycle
Circulation
Blood Vessels
100
transports oxygen, nutrients, and hormones to all body cells
What is blood
100
fibrous sac loosely covering the heart
What is the pericardium
100
contraction of the heart muscle
What is systole
100
carries oxygen poor blood from the right ventricle to the lungs for the purpose of absorbing oxygen and releasing carbon dioxide
What is pulmonary circulation
100
join with each other to form veins
What are venules
200
90% water
What is blood plasma
200
has greater endurance than any other muscle in the body
What is the heart
200
starts each systole and sets the pace
What is the sinoatrial node
200
consists of the flow of blood from the left ventricle to all parts of the body except the lungs
What is systemic circulation
200
tiny vessels which connect arteries to veins
What are capillaries
300
another name for erythrocytes
What is red blood cells
300
the upper chamber of the heart
What is the atrium
300
one complete contraction and relaxation of the heart muscle
What is the cardiac cycle
300
carries blood into and out of the heart muscle
What is coronary circulation
300
smaller vessels formed from arteries
What are arterioles
400
also known as thrombocytes that are cell fragments and lack a nucleus
What is platelets
400
another name for the right AV valve
What is the tricuspid valve
400
the heart's relaxing and filling with blood
What is diastole
400
at any moment 0.5 quarts of blood is in what type of circulation
What is pulmonary circulation
400
carry blood away from the heart
What are arteries
500
stimulates the formation of antibodies
What is antigens
500
put in to control the heart rate
What is a pacemaker
500
sends an electrical pulse down the bundle of His to the wall of each ventricle
What is the atrioventricular node
500
movement of blood in your body
What is circulation
500
carry blood to the heart
What are veins
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