7th Grade - Chapter 14 - 5th Edition

Meat and eggs are good sources of

• carbohydrates and fat
• carbohydrates and protein
• fat and protein
• vitamins and water

Calcium and phosphate are examples of

• fats
• minerals
• proteins
• vitamins

The process of building new cells and structures from digested food is called

• absorption
• assimilation
• peristalsis
• respiration

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Using enzymes to break down proteins into amino acids is an example of

• chemical digestion
• mechanical digestion
• assimilation
• all the above

Peristalsis involves

• absorbing digested food
• adding digestive enzymes to food
• chewing food
• moving food along the alimentary canal

Absorption of nutrients from digested food happens in the

• bile
• pancreas
• rectum
• villi

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Bile is used to

• break up proteins
• digest fats
• digest carbohydrates
• absorb digested nutrients

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Substances produced by the liver and pancreas enter the ___ to aid in digestion.

• esophagus
• large intestine
• small intestine
• stomach

What is the primary function of the excretory system?

• to absorb water and minerals
• to release excess urine
• to remove wastes from the body
• to rid the body of ammonia

The filtering organs of the excretory system are the

• villi
• blood vessels
• kidneys
• urethras