Question

when you feel drowsy, our breathing rate increases ​

Answer 1

Answer:

When we feel drowsy our breathing rate slows down.

And our body doesn't receive sufficient amount of oxygen.

Reason :-

When we feel drowsy our breathing rate slows down and we doesn't receive sufficient amount of oxygen to produce the normal energy to work as at a certain time our cells also needs rest.

Answer 2

Answer:

When we feel drowsy our breathing rate increases because

As we feel sleepy and we did not get sufficient energy to rest the organs .