Question

1.what is blood corpuscles
2. how do an exchange of gases take place in humans
3. describe each gland in our body briefly
4 write the formulae for rusting of iron
5.what is the formulae for distance
6.write the valency of
Boron
hydrogen
zinc
copper
7 Acid+Salt ⇒__________+____________

Answer 1

Explanation:

1. Ans : The word corpuscle is a medical term for a living cell, such as a red blood cell. ... Blood and lymph cells are both considered to be corpuscles because they are suspended in liquid within the body.

6. Boron -3, +3

Hydrogen (-1),+1

Zinc +2

Copper +1,+2,(+3).

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Answer 2

Explanation:

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