Stomach is a part of:
Lower Gastrointestinal Tract
Upper Gastrointestinal Tract
Middle Gastrointestinal Tract
End of Gastrointestinal Tract
Define peristalsis.
Series of muscle contractions and relaxations
Digestion of food
Uptake and use of food
Excretion of waste
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.
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
Which is a part of lower gastrointestinal tract?
Large intestine
Mouth
Tongue
Stomach
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.
Where does food pass through between the mouth and the stomach?
The gullet
The rectum
The small intestine
The large intestine
Which organ produces a bodily juice called bile?
Liver
Pancreas
Gallbladder
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.
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
