Give reasons for the following:(i)The glottis is guarded by epiglottis

1.	Give reasons for the following:(i)The glottis is guarded by epiglottis.(ii) The lung alveoli are covered with blood capillaries.(iii) The wall of trachea is supported by cartilage rings.(iv)White blood cells are called soldiers of the body.(v)All plants give out oxygen during day and carbon dioxide during night"
Answer» Answer: 1To avoid entry of FOOD in trachea. 2To help blood transport gases. 3For SUPPORT to trachea for any damage. 4 They provide immunity. 5 becoz LIGHT abesnt in NIGHT.

Give reasons for the following:(i)The glottis is guarded by epiglottis.(ii) The lung alveoli are covered with blood capillaries.(iii) The wall of trachea is supported by cartilage rings.(iv)White blood cells are called soldiers of the body.(v)All plants give out oxygen during day and carbon dioxide during night"

Answer»

Answer:

1To avoid entry of FOOD in trachea.

2To help blood transport gases.

3For SUPPORT to trachea for any damage.

4 They provide immunity.

5 becoz LIGHT abesnt in NIGHT.

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