6. Respiration

6.1 Describe the structure of the respiratory system:

• Recall the structure of the lungs

• Describe how alveoli are adapted for gaseous exchange

6.2 Aerobic respiration:

• State that respiration happens in all cells in the body

• State that respiration takes place inside mitochondria

• State the word equation for respiration

• Explain and investigate the affects of exercise on the heart and lungs

• Describe what is meant be the terms independent, dependent and control variables

6.2 Anaerobic respiration

• State the word equation for anaerobic respiration

• Describe the affects of anaerobic respiration on muscles

• Describe how lactic acid is formed

• Explain what is meant by the term oxygen debt

• Compare aerobic and anaerobic respiration