Body Systems: Obtaining Energy and Removing Waste

Which statement is true? A) Digestion begins in the mouth. B) Digestion begins in the stomach. C) Digestion begins in the intestines. D) Digestion begins in the liver.

• Digestion begins in the mouth.

• Digestion begins in the stomach.

• Digestion begins in the intestines.

• Digestion begins in the liver.

Nutrients are the parts of food used by the body to grow and ____.

• Sleep

• Survive

• Play

• Rest

Tags

CCSS.RI.5.3

CCSS.RI.6.3

CCSS.RI.6.5

CCSS.RI.7.3

CCSS.RI.7.5

How does the body get nutrients from food?

• Through photosynthesis

• Through digestion

• Through respiration

• Through osmosis

Saliva contains substances that neutralize ____.

• Basic foods

• Acidic foods

• Sweet foods

• Salty foods

Tags

CCSS.RI.5.3

CCSS.RI.5.5

CCSS.RI.6.3

CCSS.RI.6.5

CCSS.RI.7.5

What is the role of the stomach in digestion?

• To store food

• To break down proteins

• To absorb nutrients

• Both A and B.

What is the meaning of the word 'neutralize'?

• To make acidic

• To make basic

• To cause to be neither an acid nor a base

• To digest

Tags

CCSS.RI.5.4

CCSS.RI.6.4

CCSS.RL.5.4

CCSS.RL.6.4

CCSS.RL.7.4

The action of moving something into your stomach through your mouth using muscles in your throat is called ________.

• Chewing

• Swallowing

• Digesting

• Absorbing

What is the function of an enzyme?

• To slow down digestion

• To help cause digestion

• To absorb nutrients

• To store food

What allows the stomach to expand and hold large amounts of food?

• A) Its size

• B) Its folds

• C) Its acidity

• D) Its enzymes

Which part of the digestive system is responsible for most chemical digestion and nutrient absorption?

• Stomach

• Large intestine

• Small intestine

• Esophagus