Involuntary muscle contractions which move a bolus through the gastrointestinal tract are called

• mastication

• peristalsis

• defecation

• chyme

Most nutrient absorption occurs in the ________________ .

• mouth

• stomach

• large intestines

• small intestines

Hydrochloric acid is secreted in the _______________ .

• oesophagus

• stomach

• large intestine

• small intestine

Tick all the organs related to the digestive system.

• Stomach

• Heart

• Lungs

• Intestine

What if we increase the intake of junk food?

Bile juice is secreted by___________.

Name the organ highlighted in red.

What kinds of digestion take place in the mouth?

• Physical

• Chemical

• Biological

Which type of teeth are used for tearing food?

• Canine

• Molar

• Incisor

• Premolar

What are enzymes?

• Chemicals that speed up chemical reactions

• A type of body cell

• An type of tissue

• Chemicals needed to make DNA

Tags

NGSS.MS-LS1-7