Define peristalsis.
Series of muscle contractions and relaxations
Digestion of food
Uptake and use of food
Excretion of waste
Where does food pass through between the mouth and the stomach?
The gullet
The rectum
The small intestine
The large intestine
Which of the following does NOT manufacture digestive juices?
Liver
Kidneys
Stomach
Pancreas
Digestion takes place in a long tube-like canal called the alimentary canal, or the digestive tract. Food travels through these organs in the following order:
Mouth, gullet, stomach, small intestine,large intestine and rectum
Mouth, oesophagus, stomach, large intestine, small intestine and rectum
Mouth, stomach, oesophagus, small intestine, large intestine and rectum
Mouth, stomach, gullet, small intestine, large intestine and rectum
Composed of the teeth, tongue, salivary glands and muscles, this part takes in food to begin the process of digestion.
Mouth
Anus
Esophagus
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.
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.
Our throat divides into two separate tubes: the windpipe and the gullet. What prevents food from entering the windpipe?
The uvula
The trachea
The tongue
The epiglottis
Gallbladder and liver are:
Digestive organs
Auxiliary organs
Respiratory organs
Circulatory organs
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.
