Heart Flashcards by Mee Xiong | Brainscape

Q

The heart pumps blood to deliver ___

A

Oxygen, nutrients, and hormones

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Q

Heart removes __

A

Carbon dioxide and other waste

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Q

How much blood per minute does the heart pump?

A

5.25 liters per min

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Q

The heart is located in the __

A

Mediastinum

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Q

2/3 of the heart is on __

A

left of the median

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Q

Pericardial Sac (pericardial cavity)

A

serous membrane sac that covers the heart

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Q

Fibrous pericardium

A

outer most layer

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Q

Parietal serous pericardium

A

lines the fibrous pericardium

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Q

Visceral serous pericardium (Epicardium)

A

directly outside the heart

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Q

Endocardium

A

innermost lining of the heart

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Q

Myocardium

A

Thick muscular layer (cardiac muscle)

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Q

Right atrium collects blood from __

A

systemic loop (used blood from body)

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Q

right ventricle ejects deoxygenated blood through __

A

pulmonary trunk to lungs

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Q

left atrium collects blood from __

A

pulmonary loop (lungs)

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Q

left ventricle ejects oxygenated blood through __

A

Aorta to the body

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Q

Atria of the heart collects __

A

Blood

Q

Ejecting chambers of the heart __

A

ventricles

Q

right atrioventricular valve

A

Tricuspid valve

Q

left atrioventricular valve

A

Mitral valve

Q

Chordae tendineae

A

prevents backflow

Q

papillary muscle

A

connects valves to ventricles

Q

Sound 1 (S1)

A

“lub” when atrioventricular (AV) valve closes

Q

Sound 2 (S2)

A

“dub” when semilunar valve closes

Q

heart mummer

A

abnormal heart sound