Human Body and Digestion Concepts

What is the human body compared to in the video?

• • A computer

• • A machine

• • A book

• • A car

How many chambers does a cow's stomach have?

• • One

• • Two

• • Four

• • Three

What is the first step in digestion?

• • Chewing

• • Swallowing

• • Increased saliva production

• • Absorption

What is the scientific term for chewing?

• • Mastication

• • Digestion

• • Ingestion

• • Absorption

What prevents food from entering your lungs when you swallow?

• • Larynx

• • Trachea

• • Esophagus

• • Epiglottis

What are the gastric juices in the stomach made of?

• • Water and enzymes

  • Bile and hydrochloric acid

• • Water and enzymes

• • Saliva and mucus

• • Blood and plasma

Where does most of the real digestion occur?

• • Stomach

• • Large intestine

• • Small intestine

• • Mouth

How long is the small intestine?

• • 10 feet

• • 15 feet

• • 25 feet

• • 20 feet

What happens to nutrients in the small intestine?

• • They are absorbed into the bloodstream

• • They are stored for later use

• • They are converted into waste

• • They are excreted immediately

Where does the waste product go after the small intestine?

• Back to the stomach

• • Into the large intestine

• • Directly out of the body

• • Into the pancreas