Human Digestive System

What is the function of the large intestine?

• The absorption of water and some vitamins, formation and storage of faeces

• The absorption of nutrients

• The digestion of fats

• Transport the nutrients to the blood stream

Which of the following answers correctly sequences the pathway food takes from the beginning to end?

• mouth, oesophagus, stomach, small intestine, large intestine

• mouth, oesophagus, stomach, large intestine, small intestine

• mouth, stomach, oesophagus, small intestine, large intestine

• mouth, stomach, oesophagus, large intestine, small intestine

Why doesn't the stomach digest itself with hydrochloric acid?

• It is lined with villi to protect the lining of the stomach

• the lining is covered with mucus to protect itself

• the stomach wall becomes immune to the strong acid over time

• the stomach walls are made of very thick skeletal muscle.

What type of digestion takes place in the stomach?

• mechanical

• chemical

• both mechanical and chemical

What is the aim of the digestion?

• Obtain matter and energy

• Obtain nutrients from food and break it down into small molecules, which are then absorbed

• Break down food into inorganic nutrients

• Obtain nutrients form food and transport it to the cells

Tags

NGSS.MS-LS1-7

What is the enzyme contained in the saliva?

• Amylase

• Pepsine

• Hydrochloride acid

• Lipase

Where is the bile stored?

• Liver

• Gall bladder

• Pancreas

• Small intestine

Where is the bile produced?

• Liver

• Pancreas

• Salivary glands

• Gall bladder

The first segment of the small intestines is known as the?

• Ileum
  Ileum

• Jejunum

• Ampulla of Vater

• Duodenum

Where does digestion of protein begin?

• large intestine

• mouth

• small intestine

• stomach

Tags

NGSS.MS-LS1-7