Respiration

Respiration

1. What is Respiration?

   • Respiration refers to a series of chemical changes that take place in cells to release energy
   • Respiration requires glucose and oxygen
   • oxygen + glucose ~ carbon dioxide + water + energy

2. Respiratory system

   • Takes air into your body and makes oxygen available to cells
   • Takes in air and extracts oxygen from it
   • Allows oxygen to pass into bloodstream, to be distributed to the cells for respiration

3. Nasal Cavity

   • Air is warmed, moistened and cleaned
   • Large dust particles are filtered by hairs in your nostrils
   • Finer particles and some bacteria are trapped by a combination of sticky mucus and tiny hairs called cilia

4. Trachea