cardivascular system (6a)

Question 1

functions of the cardiovascular system

Answer 1

transporting oxygen, hormones and nutrients to deliver them to the body
removing CO2, ammonia and metabolic wastes from cells and tissues

Question 2

what and where is the PMI

Answer 2

point of maximal intensity (where pulse is strongest)
at the apex of the heart (5th intercostal space)

Question 3

what are the components of the pericardium

Answer 3

from superficial to deep
fibrous pericardium
parietal layer of serous pericardium
pericardial cavity (filled with serous fluid)
visceral layer of serous pericardium

Question 4

functions of the pericardium

Answer 4

protection
anchoring to surrounding structures like diaphragm

Question 5

what are the components of the heart wall

Answer 5

epicardium (visceral layer of serous pericardium)
myocardium (cardiac muscle)
endocardium (endothelium)

Question 6

which ventricle is thicker and why

Answer 6

left ventricle because it pumps blood to the whole body unlike the right one who pumps to the lungs

Question 7

what are the components of the pulmonary circuit

Answer 7

right side of the heart
pulmonary arteries
capillary beds of the lungs
pulmonary veins

Question 8

what are the components of the systemic circuit

Answer 8

left side of the heart
aorta and branches
capillary beds of all tissues
vena cavae