Physio: Cardiovascular

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size and location of the heart?

size: 14 centimeters long and 9 centimeters wide

location: within the mediastinum and rests on the diaphragm
covering of the heart:

a. a layered _____ encloses the heart
b. the pericardial cavity is a space between the _____ and _______ layers of the pericardium
- a. pericardium
- b. parietal; visceral
three walls of the heart.

1. epicardium, myocardium and an endocardium
right chambers and valves. Name the sequence of blood flow.
- -right atrium receives blood from the vena cavae
- -tricuspid valve separates the right atrium and the right ventricle
- -pulmonary valve guards the base of the pulmonary trunk. leads blood into the lungs.
left chambers and valves.
- -left atrium receives blood from the pulmonary veins.
- -bicuspid valve separates the left atrium from the left ventricle.
- -aortic valve guards the base of the arota.
skeleton of the heart: what does it consist of?

fibrous rings that enclose the bases of the pulmonary artery and the aorta.
cause of heart sounds?

vibrations the valve movements produce.
arteries do what?

carry blood away from the heart.
what happens in the capillaries?

blood and tissue fluid exchange gases and nutrients.
what do veins do?

carry blood to the heart.
how are veins formed

venules continue from the capillaries and merge to form veins
systolic pressure.

ventricle contracts
diastolic pressure

ventricles relax
what's the largest artery?

aorta.
major branches of the aorta (and know where)

coronay, brachiocephalic, left common coratid and left subclavian arteries
artery branches descending the aorta include

thoracic and abdominal
arteries to the neck, head and brain

branches of the subclavian and common coratid arteries

Author

bananavocado

219673

Card Set

Physio: Cardiovascular

Description

Physio: Cardiovascular

Updated

2013-05-15T01:33:39Z

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