Interspecies differences in structure 145
Colonic structure 146
Gut wall metabolism 147
Blood supply 147
Nervous and humoral control 148
Colonic environment 149
Colonic motility 151
Drug absorption from the colon 157
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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...