Exam 2 Ch 12

Question 1

Cardiovascular system major functions

Answer 1

Delivers O2 and nutrients
Removes CO2 and other waste
Transports hormones and other molecules
Supports temperature balance and controls fluid regulation
Maintains acid-base balance
Regulates immune function

Question 2

Right side of the heart

Answer 2

Pulmonary circulation
Pumps deoxygenated blood from body to lungs

Question 3

Left side of heart

Answer 3

systemic circulation
pumps oxygenated blood from lungs to body

Question 4

Myocardium

Answer 4

cardiac muscle

Question 5

what part of the heart has the most myocardium

Answer 5

left ventricle

hypertophies with both exercise and disease

Question 6

Role of titin in myocardium

Answer 6

helps so the heart doesn’t fill up too much

Question 7

What are cardiac muscle fibers conected by

Answer 7

intercalated discs

Question 8

Coronary artery disease

Answer 8

atheroclerosis

Question 9

Right coronary artery

Answer 9

supplies right side of heart
divides into marginal and posterior interventricular

Question 10

Left coronary artery

Answer 10

supplies left side of heart
divided into circumflex and anterior descdending