Digestive system grade 8

..................is the breaking, crushing, and mashing of food.

• Mechanical digestion

• Chemical digestion

It is the physical breaking down the food in the mouth.

• Swelling

• Chewing

• Pitting

...................is a chemical that the body uses to break down large molecules into small ones.

• Hormone

• Enzyme

• Juice

Tags

NGSS.MS-LS1-7

Teeth are very important organs for chemical digestion.

• True

• False

Name these structures 1,2

• Nerves , Gum

• Bone , Blood vessels

• Enamel , Gum

Incisor teeth are used For shredding the food

• True

• False

The food moves through esophagus tube by.....

• peristalsis movement

• voluntary movement

• impulses

The stomach is a muscular, saclike that crushes food and it attached to the upper end of the esophagus

• True

• False

Tags

NGSS.MS-LS1-2

NGSS.MS-LS1-3

NGSS.MS-LS1-7

The pancreas makes fluids that protect the small intestine from the acid that comes from the stomach.

• True

• False

The ............ is the last part of the large intestine that stores the feces until they expelled out.

• anus

• liver

• rectum