year 8 quizz 1 biology

The _____________ system is responsible for the exchange of gases between the body and the environment

Oxygen is inhaled through the _____________ and travels down the _____________ into the lungs.

In the lungs, oxygen diffuses from the _____________ into the _____________, where it enters the bloodstream.

Hemoglobin, a protein found in _____________, binds to oxygen molecules in the lungs and carries them to the body's cells.

A deficiency in vitamin C can lead to a condition known as _____________.

When we exhale, we release _____________ gas, which is a waste product of cellular respiration.

The _____________ is the muscle responsible for the process of inhalation and exhalation.