the process of breaking down food into small molecules the body can use

substances in food that provide energy and raw materials for the body

The movement of nutrient molecules through the wall of the digestive system into the blood.

A nutrient that serves as the body’s main source of quick energy.

H. Nutrients needed for growth, repair, and building body tissues.

D. A nutrient that provides long-term energy and helps insulate the body.

K. Helper molecules needed in small amounts to regulate body processes.

C. Inorganic elements found in food, such as calcium and iron.

F. Fluid in the mouth that moistens food and begins chemical digestion.

Proteins that speed up chemical reactions in the body.

Wave-like muscle contractions that move food through the digestive tract.

G. The organ where most chemical digestion and nutrient absorption occurs.

The largest internal organ; it produces bile to help break down fats.

L. An organ that produces enzymes that flow into the small intestine.

A small organ that stores bile until it is needed.

A. A muscular organ that churns food and mixes it with acid and enzymes.

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science study

Question	Answer
digestion	the process of breaking down food into small molecules the body can use
nutrients	substances in food that provide energy and raw materials for the body
absorption	The movement of nutrient molecules through the wall of the digestive system into the blood.
carbohydrates	A nutrient that serves as the body’s main source of quick energy.
proteins	H. Nutrients needed for growth, repair, and building body tissues.
fats	D. A nutrient that provides long-term energy and helps insulate the body.
vitamins	K. Helper molecules needed in small amounts to regulate body processes.
minerals	C. Inorganic elements found in food, such as calcium and iron.
saliva	F. Fluid in the mouth that moistens food and begins chemical digestion.
enzymes	Proteins that speed up chemical reactions in the body.
peristalisis	Wave-like muscle contractions that move food through the digestive tract.
small intestine	G. The organ where most chemical digestion and nutrient absorption occurs.
liver	The largest internal organ; it produces bile to help break down fats.
pancreas	L. An organ that produces enzymes that flow into the small intestine.
gall bladder	A small organ that stores bile until it is needed.
stomach	A. A muscular organ that churns food and mixes it with acid and enzymes.

Created by: Blake Baimkovich

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