Gross morphology 110
Organisation of the mucosa 111
The gastrointestinal circulation 113
The lymphatic system 114
Secretions into the small intestine 116
Secretion and absorption of water 117
Digestion and absorption of nutrients 118
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Your heart pumps blood throughout your body using a network of tubing called arteries and capillaries which return the blood back to your heart via your veins. Blood pressure is the force of the blood pushing against the walls of your arteries as your heart beats.Learn more...