Digestive System Functions and Adaptations

What is the primary role of the digestive system?

• To break down food into nutrients

• To circulate blood

• To filter waste

• To produce hormones.

Tags

NGSS.MS-LS1-7

The stomach can hold up to how many cups of food?

• 2 cups

• 3 cups

• 4 cups

• 5 cups

Which organ is described as a 'stretchy muscular bag'?

• Mouth

• Esophagus

• Stomach

• Small intestine

What is the role of saliva in the mouth?

• To absorb nutrients

• To produce acid

• To help form food into bolus

• To prevent food from coming back up.

The digestive system helps maintain _______ levels.

• energy

• oxygen

• water

• sugar

Tags

NGSS.MS-LS1-7

The stomach churns food into a liquid called _______.

• bile

• bolus

• chyme

• acid

What is the main function of the digestive system?

• To produce hormones

• To break down food into nutrients

• To circulate blood

• To filter waste

The esophagus has a special door called a _______ to prevent food from coming back up.

• valve

• sphincter

• flap

• gate

The small intestine has tiny finger-like projections called ______.

• Villi

• Cilia

• Microvilli

• Papillae

Tags

NGSS.MS-LS1-7

Which organ produces bile for fat digestion?

• Pancreas

• Liver

• Gallbladder

• Stomach