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1. Where does digestion begin?
a. in the stomach
b. in your mouth
c. in your large intestine
d. in your small intestine
2. Digestive system is composed of different organs that plays a vital role in food
digestion and nutrient absorptions. Which of the following organs is responsible in
producing enzymes such as salivary amylase for food breakdown?
a. mouth
b. pharynx
c. esophagus
d. stomach
3. Which is the correct sequence in the process of digestive system?
a. digestion-assimilation-excretion-ingestion-absorption
b. excretion-assimilation-absorption-digestion-ingestion
c. ingestion-digestion-absorption-assimilation-excretion
d. ingestion-absorption-excretion-assimilation-digestion
4. What do you call the part of the process in the digestive system where the waste
or undigested food is stored in a rectum and released in the anus in the form of
Feces?
a. ingestion
c. assimilation b. absorption
d. excretion
What is the main function of the digestive system?
A. hold and receive food
B. remove excess water from the body
C. break the food down to be used for energy
D. control the chemical activities of the body​

Sagot :

1 b

2d

Explanation:

1.Digestion begins in the mouth. The food is ground up by the teeth and moistened with saliva to make it easy to swallow. Saliva also has a special chemical, called an enzyme, which starts breaking down carbohydrates into sugars

2.The small intestine is the major site for digestion and absorption of nutrients. The small intestine is up to 6 meters long and is 2-3 centimeters wide. The upper part, the duodenum, is the most active in digestion. Secretions from the liver and pancreas are used for digestion in the duodenum.

Hope it helps !!!!