G4 Science U3

What system is used in the human body to absorb nutrients?

• Cardiovascular system

• Digestive system

• Respiratory system

• Skeletal system

What is the function of the mouth in the digestive system?

• To chew the food and mix it into a paste.

• To move the food to the stomach.

• To mix the food with acids and enzymes.

• To add bile to the small intestine.

What is the function of the oesophagus in the digestive system?

• To chew the food and mix it into a paste.

• To move the food to the stomach.

• To mix the food with acids and enzymes.

• To add bile to the small intestine.

What is the function of the stomach in the digestive system?

• To chew the food and mix it into a paste.

• To move the food to the stomach.

• To mix the food with acids and enzymes.

• To add bile to the small intestine.

What is the function of the liver in the digestive system?

• To chew the food and mix it into a paste.

• To move the food to the stomach.

• To mix the food with acids and enzymes.

• To add bile to the small intestine.

What is the function of the pancreas in the digestive system?

• To produce enzymes to break down other fats, proteins, and sugars.

• To absorb the nutrients into the blood.

• To absorb water into the body.

• To add acids and enzymes to the food.

What is the function of the small intestine in the digestive system?

• To produce enzymes to break down other fats, proteins, and sugars.

• To absorb the nutrients into the blood.

• To absorb water into the body.

• To add acids and enzymes to the food.

What is the function of the large intestine in the digestive system?

• To produce enzymes to break down other fats, proteins, and sugars.

• To absorb the nutrients into the blood.

• To absorb water into the body.

• To add acids and enzymes to the food.

What are food chains used for?

• To show feeding relationships.

• To show where food comes from.

• To show different types of food.

• To show the process of making food.

What do the arrows in a food chain show?

• The predators and prey.

• The feeding relationship.

• The direction of energy through the chain.

• The number of predators.