Which of the following does NOT manufacture digestive juices?
Liver
Kidneys
Stomach
Pancreas
How does digested food finally reach the bloodstream?
It passes through the gullet into the blood.
It is absorbed into the blood through blood vessels.
It is absorbed into the blood through the walls of the lungs.
It passes from the small intestine into the large intestine, then into the blood.
Gallbladder and liver are:
Digestive organs
Auxiliary organs
Respiratory organs
Circulatory organs
Define peristalsis.
Series of muscle contractions and relaxations
Digestion of food
Uptake and use of food
Excretion of waste
Stomach is a part of:
Lower Gastrointestinal Tract
Upper Gastrointestinal Tract
Middle Gastrointestinal Tract
End of Gastrointestinal Tract
Digestion begins in the mouth. Which of the following statement is INCORRECT?
The tongue aids in the digestion of the food.
The saliva changes some of the starches in the food to sugar.
The tongue keeps the food in place in the mouth while the food is being chewed.
The digestive juices can react more easily with the food when chewed.
What happens when food reaches the stomach?
No digestion occurs in the stomach.
The food moves quickly into the small intestine.
Juices mix with the food and stomach muscles squeeze it.
The food is completely digested and is absorbed by tiny blood vessels in the walls of the stomach.
Solid waste leaves the body through the rectum, then the anus. Liquid waste leaves the body after passing through the:
kidneys and bladder
blood vessels and lungs
large intestine and bowel
small intestine and large intestine
Where does the partly-digested food (in liquid form) go after it leaves the stomach?
The gullet
The appendix
The small intestine
The large intestine
What is the digestive system?
The body's breathing system
The body's system of nerves
The body's food-processing system
The body's blood-transporting system