Flashcards in PSL301: Cardio 1 Deck (70)
Main functions of the circulatory system
2. Remove metabolic byproducts
3. Maintain homeostasis by O and nutrient supply
4. Regulate body temperature
5. Humoral communication
Transport of hormones to the correct location
Communication using hormones
Wastes move from __ to ___
liver for processing
Immune cells, antibodies, clotting proteins move from __ to ___
blood (already there)
cells that need them
stored nutrients move from __ to ___
liver & adipose tissue
nutrients & water move from __ to ___
The aorta splits into...
Liver gets fresh blood from...
Pelvis & legs gets fresh blood from...
Heart is composed mostly of...
Membrane sac that is fluid filled
Connective tissue encasing for the heart
Holds the heart in place
The heart is held by...
The bulk of the heart is made up of...
List all the valves in the heart
1. Bicuspid (mitral) valve
2. Tricuspid valve
3. Pulmonary valve
4. Aortic valve
Bicuspid valve separates...
Left atrium / left ventricle
Tricuspid valve separates...
Right atrium / right ventricle
Pulmonary valve separates...
Right ventricle / pulmonary arteries
Aortic valve separates...
Left ventricle / aorta
Bi- & tricuspid valves are...
___ re-enforces AV valves
Chordae tendinae are attached to...
muscular projections within the ventricles (papillary muscles)
How many "cups" does the semilunar vavles have?
Posterior of the heart is ___
Anterior is ___
Flat (face away from us)
Pointed (face towards us)
Function of AV valves
Closed during ventricular contraction to prevent backflow from ventricles -> aorta
Function of semilunar valves
Closed during ventricular relaxation to prevent backflow from arteries -> ventricles
Superior vena cava gets blood from...
Top half of the body
Inferior vena cava gets blood from...
Bottom half of the body
What supplies O and nutrients to the heart?
1. Left coronary artery
2. Left cardiac vein
3. Right coronary artery
4. Right cardiac vein