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Biology > Parts Of The Heart > Flashcards

Parts Of The Heart Flashcards

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AP® Biology flashcards Biology 101 flashcards
1
Q

What is the primary function of the heart?

A

To pump blood throughout the body.

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2
Q

True or False: The heart has four chambers.

A

True

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3
Q

What are the names of the four chambers of the heart?

A

Left atrium, left ventricle, right atrium, right ventricle.

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4
Q

Fill in the blank: The _____ receives oxygenated blood from the lungs.

A

Left atrium

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5
Q

What separates the left and right sides of the heart?

A

The septum.

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6
Q

Which chamber of the heart has the thickest walls?

A

Left ventricle.

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7
Q

What is the role of the right atrium?

A

To receive deoxygenated blood from the body.

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8
Q

Multiple choice: Which valve prevents backflow into the left atrium?

A

Mitral valve

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9
Q

True or False: The heart is located in the left side of the chest.

A

False

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10
Q

What is the function of the aorta?

A

To carry oxygenated blood from the heart to the body.

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11
Q

Fill in the blank: The _____ valve is located between the right atrium and right ventricle.

A

Tricuspid

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12
Q

What connects the heart to the lungs?

A

Pulmonary arteries and veins.

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13
Q

Multiple choice: Which chamber pumps blood to the lungs?

A

Right ventricle

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14
Q

True or False: The left ventricle pumps blood to the lungs.

A

False

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15
Q

What is the purpose of heart valves?

A

To prevent backflow of blood.

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16
Q

Fill in the blank: The _____ valve is also known as the aortic valve.

A

Semilunar

17
Q

What type of blood does the right ventricle pump?

A

Deoxygenated blood.

18
Q

What is the role of the pulmonary veins?

A

To carry oxygenated blood from the lungs to the left atrium.

19
Q

Multiple choice: Which structure provides the heart with its electrical impulses?

A

Sinoatrial node

20
Q

True or False: The pericardium is a membrane that surrounds the heart.

A

True

21
Q

What is the main artery that supplies blood to the heart muscle?

A

Coronary artery.

22
Q

Fill in the blank: The _____ ventricle has a lower pressure than the left ventricle.

A

Right

23
Q

What is the term for the heart’s resting phase?

A

Diastole.

24
Q

What is the term for the heart’s contraction phase?

A

Systole.

25
Q

Multiple choice: Which chamber receives blood from the body?

A

Right atrium

26
Q

True or False: The heart is an involuntary muscle.

A

True

27
Q

What is the role of the left ventricle?

A

To pump oxygenated blood to the body.

Biology (4 decks)

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