DIGESTIVE SYSTEM & EXCRETORY SYSTEM

The teeth chew food and the stomach churns food into smaller particles. What is the name of this process?

• chemical digestion

• mechanical digestion

• absorption

• enzyme activity

Where does digestion start?

• stomach
• mouth
• esophagus

Tags

NGSS.MS-LS1-7

 What is the main job of the digestive system? 

• break down foods into nutrients that can be used by the body
• take in oxygen and exhale waste like carbon dioxide
• pump blood throughout the body
• makes the body hungry

Muscular tube that connects the mouth to the stomach

• Epiglottis
• Peristalsis
• Stomach
• Esophagus

stores bile produced by liver

• liver
• gallbladder
• pancreas

Which organ releases digestive chemicals into the small intestine to help with digestion?

• gallbladder
• stomach
• liver
• pancreas

Tags

NGSS.MS-LS1-7

The tube after the small intestine where the liquid is absorbed.

• large intestine
• small intestine
• rectum
• stomach

A series of wave-like muscle contractions that moves food to different processing stations in the digestive tract.

• adduction
• primary wave
• peristalsis
• inversion

Which organ does most of the chemical digestion of food and allows nutrients to be absorbed into the body?

• stomach
• esophagus
• small intestine
• liver

Predict the next digestive system organ in the following sequence: mouth, pharynx, esophagus, stomach, ______

• liver
• kidneys
• small intestines
• large intestines