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Noise of coughing (the respiratory system trying to protect itself)
Flatulence and a mixture of gases (nitrogen, carbon dioxide, oxygen, methane, and hydrogen sulfide) leaving the body
Food mixing with gastric acid, churning the food
The break-down of protein into smaller polypeptides and "food" becomes a pasty substances called chyme, after 3 hours of grinding within the stomach.
smoking has damaged the alveoli reducing the amount of oxygen to the cells. Smoker’s breathing is harder and faster to obtain more oxygen.
blood becoming sticky and clinging to the inner walls of the artieries making it difficult to pump around the body (fat in veins)
Fast unhealthy heart
An increased and irregular heart rate, just before a heart attack
Restricted Blood Flow
Fatty deposits have clogged up the arteries and the heart is suffering from restricted blood flow.
Heart attack heart beat
the heart suffering a silent heart attack
Heart attack real audio
real audio of a heart attack
Unit 8A – Food & Digestion
Unit 8B - Respiration
Unit 9B – Fit & Unhealthy