Questions and Answers

Describe anaerobic respiration as the chemical reactions in cells that break down nutrient molecules to release energy without using oxygen

State the balanced chemical equation for aerobic respiration as: C6H12O6 + 6O2 → 6CO2 + 6H2O

State the word equation for aerobic respiration as: glucose + oxygen → carbon dioxide + water

Describe aerobic respiration as the chemical reactions in cells that use oxygen to break down nutrient molecules to release energyDescribe aerobic respiration as the chemical reactions in cells that use oxygen to break down nutrient molecules to release energy%MCEPASTEBIN%

State the uses of energy in living organisms, including: muscle contraction, protein synthesis, cell division, active transport, growth, the passage of nerve impulses and the maintenance of a constant body temperature

Explain the role of goblet cells, mucus and ciliated cells in protecting the breathing system from pathogens and particles

Explain the link between physical activity and the rate and depth of breathing in terms of: an increased carbon dioxide concentration in the blood, which is detected by the brain, leading to an increased rate and greater depth of breathing

Explain the differences in composition between inspired and expired air

Explain the role of the ribs, the internal and external intercostal muscles and the diaphragm in producing volume and pressure changes in the thorax leading to the ventilation of the lungs

State the function of cartilage in the trachea