Digestion 1

Which organ churns food and uses acid and enzymes to break down food?

• stomach

• esophagus

• mouth

• epiglottis

The chewing and grinding of food into smaller pieces is an example of...

• Mechanical Digestion
• Chemical Digestion

Enzymes (chemicals) in your saliva help break down food while chewing.  This is...

• Mechanical digestion
• Chemical digestion

What is the main purpose for the digestive system ?

• to protect your organs

• to provide you with nutrients and energy

• to pump blood and transport oxygen through your boby

• to control breathing

What are the steps of the digetive process?

• Digestion in the small intestine, chewing, in the stomach, absorption and waste elimination.

• Chewing, digestion in the stomach, digestion in the small intestine, absorption and waste elimination.

• Chewing, digestion in the stomach, waste elimination, absoption and digestion in the small intestine.

Food travels down the esophogus to the_______.

• Gull bladder

• Mouth

• Stomach

• Small intestine

What are the functions of the digestive system?

• Absorption

• Elimination

• Digestion

• All of the above

The __________ is where digestion begins.

• Stomach

• Small Inestine

• Mouth

• Liver

Tags

NGSS.MS-LS1-7

Peristalsis refers to

• one of the digestive organs
• the action of the stomach
• heart rate increasing
• smooth muscles moving food through the digestive system

The villi provides a surface area for the absorption of nutrients into the bloodstream.

• True

• False

Tags

NGSS.MS-LS1-2