Digestion and Excretion

______ are large molecules made from amino acids that play a variety of roles in the body

• carbohydrates

• lipids

• proteins

• sugars

Tags

NGSS.MS-LS3-1

Which type of molecules provide the body with most of its energy?

• carbohydrates

• proteins

• vitamins

• minerals

These molecules make up the cell membrane, help the body absorb vitamins, and provide energy

• proteins

• water

• minerals

• lipids

Tags

NGSS.MS-LS1-7

What is the first step of the process of digestion

• Ingestion

• Digestion

• Absorption

• Elimination

Tags

NGSS.MS-LS1-7

What type of digestion occurs in the mouth?

• Mechanical digestion

• Chemical Digestion

• Both

After being swallowed by the mouth, food travels down a long pipe called the_____

• Stomach

• Esophagus

• large intestine

• Small Intestine

After traveling down the esophagus, food reaches the _______ where it is digested by powerful acids and enzymes

• mouth

• stomach

• small intestine

• large intestine

The small intestines are lined with tiny projections called_____ which absorb the nutrients from the food into the bloodstream.

• villi

• cilia

• flagellum

• esophagus

What is absorbed by the large intestine before the remaining waste is excreted by the body?

• solid waste

• protein

• glucose

• water

What do we call the biological catalysts that regulate chemical reactions in the body?

• enzymes

• proteins

• carbohydrates

• sugars

Tags

NGSS.HS-LS1-1