Definitions H - Cardiovascular System

Question 1

Anemia

Answer 1

Low red blood cell count

Question 2

Arteries

Answer 2

Blood vessels that carry blood with oxygen and nutrients away from heart (except pulmonary artery)

Question 3

Atria (left and right)

Answer 3

Two upper chambers of the heart

Question 4

Blood

Answer 4

Contains water (90%), blood cells, carbon dioxide, oxygen, nutrients, hormones, enzymes, and waste products

Question 5

Cardiovascular system (circulatory system)

Answer 5

Responsible for continuous movement of blood through body

Question 6

Congestive Heart Failure (CHF)

Answer 6

When one or both sides of the heart stop pumping effectively

Question 7

Coronary Artery Disease (CAD)

Answer 7

Blood vessels in the coronary arteries narrow, lowering blood supply to heart and depriving it of oxygen

Question 8

Diastole

Answer 8

Resting phase of heart beat. Heart refills with blood. Leads to bottom number of blood pressure reading

Question 9

Heart

Answer 9

Pump of the cardiovascular system

Question 10

Hypertension

Answer 10

High blood pressure

Question 11

Myocardial Infarction (MI, heart attack)

Answer 11

Heart muscle does not receive adequate blood flow and lacks oxygen. Causes damage or death to area of heart

Question 12

Pulse

Answer 12

Beat of the heart felt at an artery. Wave of blood passing through an artery. Number of heartbeats per minute

Question 13

Systole

Answer 13

Working phase of heartbeat. Heart is pumping blood to body. Gives top number in blood pressure reading

Question 14

Varicose veins

Answer 14

Enlarged, twisted veins, usually in legs

Question 15

Veins

Answer 15

Blood vessels that carry blood containing waste products away from cells and toward the heart (except pulmonary vein)

Question 16

Ventricles (left and right)

Answer 16

Two lower chambers of heart