Chapter 18 (Nutrients and Digestion) Vocabulary

The process that breaks food down into small molecules so that they can be absorbed and moved into the blood.

• digestion
• mechanical digestion
• chemical digestion
• chyme
• villi

This takes place when food is chewed, mixed, and churned.

• digestion
• mechanical digestion
• chemical digestion
• chyme
• villi

Tags

NGSS.MS-LS1-7

This occurs when chemical reactions occur that break down large molecules of food into smaller ones.

• digestion
• mechanical digestion
• chemical digestion
• chyme
• villi

Tags

NGSS.MS-LS1-7

Food moves through your stomach in 2 to 4 hours and is changed into a thin, watery liquid called __________.

• digestion
• mechanical digestion
• chemical digestion
• chyme
• villi

The wall of the small intestine has many ridges and folds that are covered with fingerlike projections called _______. These increase the surface area of the small intestine so that nutrients in the chyme have more places to be absorbed.

• digestion
• mechanical digestion
• chemical digestion
• chyme
• villi

Substances in foods that provide energy and materials for cell development, growth, and repair.

• nutrient
• protein
• amino acid
• carbohydrate
• fat

Large molecules that contain carbon, hydrogen, oxygen, nitrogen and sometimes sulfur.

• nutrient
• protein
• amino acid
• carbohydrate
• fat

Tags

NGSS.HS-LS1-6

The building blocks of proteins.

• nutrient
• protein
• amino acid
• carbohydrate
• fat

Tags

NGSS.MS-LS3-1

Made up of carbon, hydrogen, and oxygen, these molecules are the main sources of energy for your body.

• nutrient
• protein
• amino acid
• carbohydrate
• fat

Also called lipids, these molecules are necessary because they provide energy and help your body absorb vitamins.

• nutrient
• protein
• amino acid
• carbohydrate
• fat