Question 1

The human heart is:

Accepted Answer

All of the Above

Answer

a pump

Answer

made of muscle

Answer

has four chambers

Question 2

The lub dub sound of the heart beating is the sound of:

Accepted Answer

the heart valves opening and closing

Answer

the blood moving in and out of the lungs

Answer

the blood moving in and out of the heart

Answer

the muscles of the heart contracting

Question 3

The heart valves do all the following, EXCEPT:

Accepted Answer

regulate the heart's contractions

Answer

separate the atria and the ventricles

Answer

keep the blood flowing forward

Answer

include the mitral and biscuspidvalve

Question 4

The blood comes back to the heart from the body through two big veins called the :

Accepted Answer

vena cavas

Answer

right atria

Answer

pulmonary veins

Answer

aortas

Question 5

The first chamber of the heart the blood from the body enters is the:

Accepted Answer

right atrium

Answer

right ventricle

Answer

left atrium

Answer

left ventricle

Question 6

The valve between the right atrium and the right ventricle is called the

Accepted Answer

tricuspid valve

Answer

bicuspid valve

Answer

mitral valve

Answer

none of the above

Question 7

The blood is pumped to the lungs from the heart through the

Accepted Answer

pulmonary arteries

Answer

pulmonary veins

Answer

aorta

Answer

vena cavas

Question 8

The most muscular, powerful heart chamber is the:

Accepted Answer

left ventricle

Answer

right atrium

Answer

right ventricle

Answer

left atrium

Question 9

The blood leaves the heart to the body through the:

Accepted Answer

aorta

Answer

pulmonary arteries

Answer

pulmonary veins

Answer

vena cavas

Question 10

The only veins in the body that carry oxygenated blood are the:

Accepted Answer

pulmonary veins

Answer

vena cavas

Answer

subclavian veins

Answer

coronary veins

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