Changing heart rate is the most common way is changing _____.
cardiac output
Arteries Arterioles
Skeletal muscle _______ blood in veins toward the heart.
"Milks"
What is the largest artery in the body?
aorta
Typical heart rate is...
75 beats per minute
What exchanges between tissues and blood?
Capillary beds
capillary beds consist of what two types of vessels?
Vascular shunt and True capillaries
Brachiocephalic trunk splits into what two arteries?
The right common carotid artery and Right subclavian artery
How is cardiac output measured?
the amount of blood pumped by each side/ ventrical of the heart in one minute.
What returns blood to the heart?
Venules and Veins
larger veins have _____ to prevent backflow.
valves
What is the difference between drainage super vena cava and inferior vena cava?
The superior vena cava drains the head and arms
The inferior vena cava drains the lower body
About how many ML's of blood is pumped out of the left ventricle with each heartbeat?
70
What do the vascular system vessels carry?
Blood and lymph fluid through the body
Tunic media is controlled by what nervous system?
sympathetic
What are the Veins of the hepatic portal circulation drain?
Digestive organs, Spleen, Pancreas
what is stroke volume?
volume if blood pumped by each ventricle in one contraction.
Three main organs of the vascular system?
The heart, blood, and blood vesses working together
Three layers of blood vessels?
Tunic intima, Tunic media, Tunic externa
What does the liver help maintain in hepatic portal circulation?
proper glucose, fat, and protein concentrations in the blood