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प्रश्न
Describe the functions of the: Heart
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उत्तर
The heart is a muscular organ that pumps blood to all the cells in our body through a network of blood vessels. It pumps the blood and hence helps in circulating oxygen and nutrients to all body parts. The heart pumps deoxygenated blood to the lungs and oxygenated blood to the rest of the body
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संबंधित प्रश्न
Explain with tile help of a chart, explain the compatibility of human blood groups.
Mention the exact location of the Pulmonary semilunar valve
Name the following:
The valve present in between the chambers on the right side of the human heart.
Describe the functions of the: Blood vessels
Differentiate between:
Red blood cells and White blood cells
Given below is the simplified pathway of the circulatory system:
(i) Name the blood vessels marked 1 to 8.
(ii) Name the chamber of the heart which:
(a) Receives blood from ‘1’.
(b) Pumps blood into blood vessel ‘8’.
(iii) Mention two structural differences between blood vessels ‘7’ and ‘2’.
Complete the following sentence with appropriate word:
The membranous covering of the heart is _______.
Blood is produced in the bone marrow.
______ WBCs are present per mm3 of blood.
Name these:
Two kinds of circulatory systems in different animals.
