Heart structure and function

1.

Heart Structure
Faiq Bin Zahid
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2.

Blood travels through the heart twice
before returning to the body
The double circulatory system
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3.

External view of the heart
superior
vena cava
pulmonary
artery
aorta
pulmonary
vein
pulmonary
vein
coronary
artery
right atrium
inferior
vena cava
left
ventricle
right ventricle
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4.

The vena cava carries deoxygenated
blood from the body to the right atrium
superior
vena cava
(transports blood
from the head)
inferior
vena cava
(transports blood
from rest of body)
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5.

The right atrium collects deoxygenated
blood and pumps it to the right ventricle
right atrium
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6.

The right ventricle pumps deoxygenated
blood to the lungs
right ventricle
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7.

The pulmonary artery carries deoxygenated
blood from the right ventricle to the lungs
aorta
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8.

The septum separates the left and right
sides of the heart
septum
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9.

The pulmonary veins carry oxygenated
blood from the lungs to the left atrium
Pulmonary
veins
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10.

The left atrium collects the oxygenated
blood and pumps it to the left ventricle
Left atrium
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11.

The left ventricle pumps oxygenated
blood to the body via the aorta
Left ventricle
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12.

The aorta carries the oxygenated from the
left ventricle to the rest of the body
Aortic arch
Aorta
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13.

Atrio-ventricular valves prevent backflow
of blood into the atria when ventricles
contract
Tricuspid valves
Bicuspid valve
(mitral valve)
Tendon
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14.

The semi-lunar valves prevent backflow of
blood from the arteries into the ventricles
Aortic semi-lunar
valve
Pulmonary
semi-lunar
valve
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15.

Summary Quiz
Identify the part of the heart indicated by an arrow .
There are 10 questions in total.
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16.

Question 1
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17.

Question 2
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18.

Question 3
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19.

Question 4
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20.

Question 5
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21.

Question 6
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22.

Question 7
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23.

Question 8
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24.

Question 9
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25.

Question 10
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26.

Answers
1 left ventricle
2 vena cava
3 right atrium
4 pulmonary artery
5 aorta
6 pulmonary vein
7 left atrium
8 atrio-ventricular (tricuspid) valve
9 semi-lunar (aortic) valve
10 right ventricle
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27.

Finish
Faiq Bin Zahid
www.clickbiology.com