Category : 1st Class
Remember the followings about the human heart:
it lies in the chest part.
It is an internal organ of our body.
It is pear shaped.
It has the size of a fist.
It has mass between 250 grams and 350 grams.
It is made of special kind of muscles.
It is responsible for supplying the body with oxygenated blood.
It beats and exerts the pressure on veins & arteries. This pressure is called blood pressure.
Blood pressure may be high and low.
Too high blood pressure causes heart disease.
Normally heart beats of a healthy human body is from 72 to 75 times in one minute.
Let us see the picture of human heart:
The human heart is_____ shaped?
(a) Pineapple (b) Pomegranate
(c) Mango (d) Pear
Option (D) is correct, because human heart is pear shaped. Therefore rest of the options is incorrect.
What is the function of the human heart?
(a) To supply blood to our body (b) To see
(c) Perform respiration (d) Holding things
Option (A) is correct, because it supplies blood to all parts of the body.
Therefore, rest of the options is incorrect.
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