Question

Which of the following is the first step in respiration?

Carbon dioxide passes from the blood to the lungs.

Oxygen is taken into the lungs.

Carbon dioxide passes into capillaries to the blood.

Oxygen passes into capillaries to the blood.

Answer 1

I gen passed in to capillaries to the blood

Answer 2

Hey there!

The first step in respiration is that oxygen passes into the lungs.

Hope this helped, have a great day!