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Heart and Blood
A&P
24
Anatomy
Undergraduate 1
04/14/2008

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Cards

Term
The Heart is located where?
Definition
the mediastinum
Term
The base of the heart is where?
Definition
top end
Term
The lower point of the heart is know as what?
Definition
Apex
Term
How many layers of the heart are there?
Definition
3
Term
What is the outher layer of the heart called?
Definition

Epicardium

Term
What is the middle layer of the heart called?
Definition

Myocardium

Term
What is the inner layer of the heart called?
Definition

Endocardium

Term
What is the

Superior heart chamber?

Definition

Atria

Term
What are the

Right and left atria separated by?

Definition
atria septrum
Term
What does a P wave represent?
Definition

atrial deplorization

Term
What is the QRS wave represent?
Definition
ventricular depolorization
Term
What does the T wave represent?
Definition
ventricular repolorization
Term
What are the three main types of blood vessels?
Definition

Artieries, Capillaries, Veins

Term
What carries blood 2 the heart?
Definition
Veins
Term
What carries blood from the heart?
Definition
Arteries
Term
What are the 3 coats of the arteries?
Definition
tunica intima, tunic media, tunica extrena
Term
What are 2 factors that effect blood flow?
Definition
Blood pressure and resistance
Term
What is systolic pressure?
Definition
Maxium pressure during ventrical contraction
Term
What is diastolic pressure?
Definition
lowest pressure in artieries b4 nest ventrical contraction (relaxation)
Term
Peripheal resistance=?
Definition
friction
Term
Viscosity=?
Definition
Ease of liquid flow
Term

Name the two types of circulation pathways

Definition
Pulmonary and Systemic Circuit
Term
What does the Pulmonary Circuit do?
Definition
vessels that carry blood from the heart to the lungs and back to the heart
Term
What is the Systemic Circuit?
Definition
Carries blood from the heart to all other parts of the body and back again
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