Digestive and Nervous Systems

The main jobs of the Digestive system are____ and____. (Select 2)

• get rid of waste products

• send neurons through your body

• breaks down materials your body needs

• exchange carbon dioxide for oxygen

____ digestion physically breaks down food into smaller pieces. (example: your teeth chew food into smaller pieces)

• Mechanical

• Chemical

____ digestion uses enzymes to break down food used by cells. (example: pancreas breaks down carbohydrates and fats.)

• Mechanical

• Chemical

Tags

NGSS.MS-LS1-7

The flap of tissue that allows food to go through your digestive system and not your respiratory system (allows it to go through the right tube).

• Esophagus

• Stomach

• Epiglottis

• Pancreas

This organ grinds food and moves liquid food into your small intestine.

• Liver

• Stomach

• Pancreas

• Epiglottis

The __ intestine is where most chemical digestion occurs. The __ intestine absorbs the water from undigested food and creates feces.

• big/little

• little/big

• small/large

• large/small

Which organ produces bile?

• Pancreas

• Stomach

• Liver

• Spleen

What do the tiny, finger-like structures called villi do in the small intestine?

• absorb digested food in the blood and send it to cells

• get rid of food as waste

• move food to the large intestine as waste

Tags

NGSS.MS-LS1-2

NGSS.MS-LS1-3

If your esophagus, stomach, and intestines contract and relax (involuntary) to move food through your body, what two body systems are working together?

• circulatory/respiratory

• digestive/nervous

• digestive/muscular

• muscular/skeletal

What body system controls and coordinates your body's activities?

• Digestive

• Nervous

• Circulatory

• Respiratory