Autotrophic and heterotrophic nutrition.
Autotrophic and heterotrophic nutrition.
Ans: – In autotrophic mode of nutrition the food is made by its own and in heterotrophic mode of nutrition the food is taken from the outside.
Breathing and respiration.
Ans: – Breathing is a physical process whereas respiration is chemical process.
Arteries and veins.
Ans: – Arteries carried out the oxygenated blood whereas the vein carried out the deoxygenated blood.
Blood and lymph.
Ans: – In lymph there is only white blood cell whereas in blood there are RBC, WBC, and platelets present.
Auricular systole and ventricular systole.
Ans: – The auricular systole is the process when the arteries are contract whereas in ventricular systole the vein are contract.
Match the columns A and Column B.
Ans: –
| Column A | Column B |
| 1. Sponge-like organs located in the chest. | Lungs |
| 2. Chamber acting as a common passage for food and air. | pharynx |
| 3. Elastic tissue that forms a flap over the top of
the larynx. |
Epiglottis |
| Main passageway to the lungs | trachea |
| Small tubes that branch from the bronchi | Bronchioles |
| Small air sacs in the lungs. | Alveoli |
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