Slides in this set
When Inhaling: When Exhaling:
Intercostal muscles contract, Intercostal muscles relax, the
expanding the ribcage. ribcage drops inwards and
Diaphragm contracts, pulling
down to increase the volume Diaphragm relaxes, moving
of the chest. upwards, decreasing the
volume of the chest.
Pressure inside the chest is
lowered and air is sucked in. Pressure inside the chest
increases and air is forced out.…read more
Respiration is the release of energy from glucose to the muscles.
Glucose + oxygen energy + water + carbon dioxide
Anaerobic Respiration. When exercising very hard, the heart cannot get enough
oxygen to the muscles:
Glucose energy + lactic acid…read more