What body part does the heart resemble in size and how much does it weigh?
What is considered a normal blood pressure?
80/120
Where do the atria receive blood from?
veins
What are the two types of major blood vessels found in the heart?
arteries and veins
What is another name for the visceral pericardium? (2 correct answers)
serous pericardium; epicardium
What are the 3 types of capillaries?
continuous, fenestrated, & sinusoid
Blood moving through the arteries is usually?
oxygenated
What separates the atria?
interatrial septum
Arteries carry blood _____ from the heart
away
What lines the chambers of the heart and heart valves?
endocardium
What hormones decrease BP?
ANP (atrial Natriuretic Peptide) & histamine
Where are the smooth muscle cells in the arteries?
tunica media
There are 4 valves in the heart... What are they?
tricuspid, bicuspid/mitral, pulmonary SL, & aortic SL
What is the largest artery in the body?
aorta
Where is the heart located?
What are 2 roles capillaries are responsible for?
exchange between blood and tissues, connecting arterioles and venules
There are three layers in the arteries... What are they?
tunica interna, tunica media, and tunica externa
When blood is pumped out of the heart the process is said to be?
active
How many pulmonary veins are there?
4
What is the fibrous pericardium?
outer tough connective tissue
What hormones increase BP?
epinephrine, norepinephrine, ADH, angiotensin II, & aldosterone
What is found between the tunica interna and the tunica media?
connective tissues consisting of elastic and collagenous fibers
When looking at the left side of the heart and the right side of the heart... Is one side bigger than the other or are they the same?
the right side is the bigger side, but due to the extra thickness on the left side, the left side may appear to be larger
What does the pulmonary trunk do?
carries deoxygenated blood to the lungs