Digestive Process

What is the name of the tube that runs through the body related to the digestive system?

• esophagus
• alimentary canal
• pharynx
• ascending canal

Absorption

• The movement of molecules from the small intestine into the bloodstream.

• The process of absorbing and using nutrients in the body.

• Uses digestive juices and enzymes to break down food at the molecular level.

• The removal of waste from the body as feces.

Assimilation

• The movement of molecules from the small intestine into the bloodstream.

• The process of absorbing and using nutrients in the body.

• uses digestive juices and enzymes to break down food at the molecular level

• the removal of waste from the body as feces

Chemical digestion

• The movement of molecules from the small intestine into the bloodstream.

• The process of absorbing and using nutrients in the body.

• Uses digestive juices and enzymes to break down food at the molecular level.

• The removal of waste from the body as feces.

Ingestion

• Taking food into the mouth.

• The physical breakdown of food into smaller pieces through chewing or churning in the stomach.

• The chemicals which are found in food that the body needs for growth and repair of tissues.

• smooth muscular movements which push the food along the digestive tract

Mechanical digestion

• Taking food into the mouth.

• The physical breakdown of food into smaller pieces through chewing or churning in the stomach.

• The chemicals which are found in food that the body needs for growth and repair of tissues.

• Smooth muscular movements which push the food along the digestive tract.

Which organ is the primary site for nutrient absorption?

• Stomach

• Small intestine

• Large intestine

• Liver

What are the functions of the digestive system? Select ALL that apply:

• Break down food into molecules the body can use
• Produce hormones that control body temperature and heart rate
• Absorb molecules into the blood to be transported around the body
• Eliminate wastes from the body

What carries food from the pharynx to the stomach?

• larynx

• trachea

• esophagus

• bronchioles

Where does the process of digestion begin?

• mouth

• esophagus

• stomach

• small intestine