Working of Heart Flashcards

(11 cards)

1
Q

What is the cardiac cycle?

A

The rhythmic sequence of systole and diastole in the heart.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

What does the cardiac cycle result in?

A

Pumping of the blood.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What is the sound of the heart called?

A

Heart beat (lub-dub).

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

How does deoxygenated blood enter the heart?

A

Through the superior and inferior vena cava from the veins.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

What valve helps deoxygenated blood enter the right ventricle?

A

Tricuspid valve.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Where does the deoxygenated blood go after the right ventricle?

A

To the pulmonary artery through the semilunar valve.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

What happens to the deoxygenated blood in the lungs?

A

It is oxygenated.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

How does oxygenated blood enter the left atrium?

A

Through the pulmonary veins.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

What valve allows oxygenated blood to enter the left ventricle?

A

Bicuspid valve.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

What happens when the left ventricle contracts?

A

Oxygenated blood is pumped into the aorta through the aortic valve.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

What does the aorta do with the oxygenated blood?

A

It divides into arteries and distributes it to the body.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly