Question

(a) The number of times a person breathes in one minute is calle
(b) The trachea branches into thinner

(c) During exhalation, the diaphragm in the human chest move
is required to break down food in the body.
are amphibians that can breathe through lung
(d)
(e)
skin underwater.​

Answer 1

Answer:

Breathing rate

Alveoli

Upwards

Yes