Why do we need food?

Why do we need food?

• To provide energy and nutrients for the body

• To improve taste and enjoyment

• To facilitate social gatherings

• None of the above

What is the process of chewing food called?

• Digestion

• Mastication

• Ingestion

• Absorption

Where does MOST of the digestion process occur?

• Stomach

• Small intestine

• Large intestine

• Mouth

What is one of the functions of the digestive system?

• Breaking down food into nutrients

• Transporting oxygen to cells

• Regulating blood pressure

• Protecting the body from infection

What does food provide besides materials for cell growth?

• Energy

• Flavor only

• Color to the food

• Nothing else

What is mechanical digestion?

• The breakdown of food into smaller pieces without chemical change

• The chemical breakdown of food into nutrients

• The absorption of nutrients in the intestines

• The elimination of undigested food

What is chemical digestion?

• The breakdown of food in the mouth using enzymes

• The physical breakdown of food into smaller pieces

• The enzymatic breakdown of food into simpler molecules

• The absorption of nutrients in the intestines

What is the role of the liver in digestion?

• Producing digestive enzymes

• Absorbing nutrients

• Producing bile to help digest fats

• Storing undigested food

What does the pancreas produce?

• Insulin

• Hydrochloric acid

• Bile

• Mucus

What is the function of the gall bladder?

• Stores and concentrates bile

• Produces bile

• Digests proteins

• Filters blood