Question

Give scientific reasons : (Any two)
We feel exhausted after exercising.​

Answer 1

because our body lacks oxygen than required amount

Answer 2

For exercise we use energy therefore after exercise we loose our energy along with these we also sweet due to which we also loose water, minerals and salt.

Loss of above substances feels us energy less also due to Lactic acid we feel tierd.

As a combined effect we feel exhausted after exercise.

hope it helps...