Chapter 11 – The Cardiovascular System - Vocabulary Continue

Question 1

What is carbon dioxide (CO2)?

Answer 1

Waste gas released by body cells, transported via veins to the heart, and then to lungs for exhalation

Question 2

What is coronary arteries?

Answer 2

Blood vessels that branch from the aorta and carry oxygen-rich blood to the heart muscle

Question 3

What is deoxygenated blood?

Answer 3

Oxygen-poor blood

Question 4

What is electrocardiogram?

Answer 4

Record of the electricity flowing through the heart

Question 5

What is endothelium?

Answer 5

Innermost lining of blood vessels

Question 6

What is myocardium?

Answer 6

Muscular, middle layer of the heart

Question 7

What is oxygen?

Answer 7

Gas carried by the blood from the lungs to the heart to be pumped via arteries to all body cells

Question 8

What is pacemaker (sinoatrial node)?

Answer 8

Specialized nervous tissue in the right atrium that begins the heartbeat

Question 9

What is systemic circulation?

Answer 9

Flow of blood from body tissue to the heart and back

Question 10

What is systole?

Answer 10

The contraction phase of the heartbeat

Question 11

What is sphygmomanometer?

Answer 11

An instrument to measure blood pressure

Question 12

What is ventricle?

Answer 12

One of two lower chambers of the heart

Question 13

Drugs used to lower cholesterol in the bloodstream…

Answer 13

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