Digestive and Excretory

Examples for Chemical digestion

• Absorb nutrients

• Secreting pancreatic juice on food

• Grinding food by the movement of teeth

• All of the above

• None

Which organ stores bile?

• gall bladder

• villi

• pancreas

• liver

Pepsin is an enzyme that acts on

• lipids

• proteins

• carbohydrates

• nucleic acids

Tags

NGSS.MS-LS1-7

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

• Mechanical digestion

• Chemical digestion

Tags

NGSS.MS-LS1-7

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

• Mechanical Digestion

• Chemical Digestion

What is chemical digestion?

• physical state of the food is changes

• chemical state of the food is changed

Tags

NGSS.MS-PS1-5

Which is an example of mechanical digestion?

• stomach- churning

• Mouth- saliva

• Stomach- hydrochloric acid

• intestines- absorbing nutrients

The figure shows an organ that is part of the digestive system, but not a part of a digestive tract ( Liver )

Which two body systems work together to break down food and get rid of wastes?

• digestive and excretory

• digestive and circulatory

• excretory and respiratory

• nervous and digestive

Which system takes food into the body, breaks down food, and absorbs the digested materials?

• respiratory

• circulatory

• digestive

• excretory

Tags

NGSS.MS-LS1-7