Respiratory System.pptx-jjjjjjhgg8787767668

Respiratory System.pptx-jjjjjjhgg8787767668

1. Respiratory System

2. Oxygen forms a molecule O2 of two atoms which is a colorless gas at normal temperatures and pressures. Carbon dioxide is a chemical compound with the chemical formula CO₂ . It is made up of molecules that each have one carbon atom covalently double bonded to two oxygen atoms.

3. Nose - Your nose is part of your respiratory system. It allows air to enter your body, then filters debris and warms and moistens the air.