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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
Given below is certain structure, write the term for the functional activity.
Erythrocytes and …………………………………
MULTIPLE CHOICE TYPE:
(Select the most appropriate option)
The valve present between the right atrium and the right ventricle is the
(a) tricuspid valve
(b) bicuspid valve
(c) semi-lunar valve
(d) mitral valve
Give reason, why a matured mammalian erythrocyte lacks nucleus and mitochondria?
Give reason for the following:
The walls of the left ventricle are thicker than the walls of all other chambers.
Production of RBCs occurs in ______.
Blood consists of two parts - a liquid part and a cellular part. Name these parts and briefly write about them
Fill in the blanks with suitable words given below:
The blood loaded with carbon dioxide from the body comes into the ______ of the heart.
True or false:
Impure blood is received by the right auricle.
Define the Arteries.
Mention the phase of heart beat in which both the atrio-ventricular valves are closed.
