biology
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what is villi?
tiny finger like projections lining the inner wall of the small intestine
what are 3 good things about villi?
increase surface area, increased nutrient absorption, gets nutrients into the blood faster
what are carbohydrates?
the main source of energy that are broken in to glucose
what is protein?
helps your bodies growth and health
what are drugs?
drugs are substances that effects the body negatively
what is digestion?
the process of breaking down food into smaller absorbable nutrients
what is physical digestion?
breaks down food into smaller pieces using muscles
what is chemical digestion?
when the body breaks down food into smaller pieces using enzymes and acids
digestive system in order
• oesaphogus 2.liver 3.stomach 4.large intestine 5.small intestin 6.rectum 7.anus
what are enzymes?
biological catalysts
what do enzymes do?
enzymes break down large food molecules into smaller ones
what is kwashiorkor caused by
protein deficiency
what is night blindness caused by
vitamin A deficiency
what is rickets caused by
vitamin D deficiency
what is oestroporosis caused by
calcium deficiency
what is anemia caused by
iron deficiency
what is scurvy caused by
vitamin C deficiency