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.
Which is a part of lower gastrointestinal tract?
Large intestine
Mouth
Tongue
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
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.
Which organ produces a bodily juice called bile?
Liver
Pancreas
Gallbladder
What is homeostasis?
Maintenance of internal stability
Digestion of food
Excretion o solid wastes
Uptake and use of food
The mouth, pharynx, esophagus, stomach, small intestine, and large intestine forms the:
Small intestine
Alimentary canal
Appendix
Define peristalsis.
Series of muscle contractions and relaxations
Excretion of waste
Our throat divides into two separate tubes: the windpipe and the gullet. What prevents food from entering the windpipe?
The uvula
The tongue
The trachea
The epiglottis
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.
