Process of Digestion

Question 1

The process in which the complex and insoluble contents of food are converted into simpler and soluble substances suitable for absorption and assimilation

Answer 1

Digestion

Question 2

Digests the food

Answer 2

enzymes

Question 3

• aids in physically breaking down food particles for easier chemical
  digestion.
• chewing

Answer 3

mechanical digestion

Question 4

the process of breaking down complex molecules into simpler molecules through chemical hydrolysis.

Answer 4

Chemical digestion

Question 5

allows the animals to acquire the necessary energy, organic molecules, and essential nutrients from the digested food.

Answer 5

absorption

Question 6

serves as the organic building block of the body where muscles, connective tissues, nerve tissues are built.

Answer 6

organic molecules

Question 7

the removal of metabolic wastes, which include carbon dioxide and
water from cell respiration and nitrogenous wastes from protein metabolism.

Answer 7

excretion

Question 8

three nitrogenous wastes

Answer 8

1. ammonia
2. urea
3. uric acid

Question 9

This type of teeth is used for cutting

Answer 9

incisors

Question 10

this type of teeth is used for tearing

Answer 10

canines

Question 11

this type of teeth is used for grinding

Answer 11

molars

Question 12

begins the chemical breakdown of
starch.

Answer 12

Salivary amylase

Question 13

where is salivary amylase released from

Answer 13

salivary glands

Question 14

3 salivary glands

Answer 14

1. parotid
2. submaxillary
3. sublingual

Question 15

• entrance for the digestive system
• food is chewed to break it up into small pieces

Answer 15

mouth

Question 16

• organ for sense of taste
• has many sensory buds

Answer 16

tongue

Question 17

secretes saliva

Answer 17

salivary glands

Question 18

• common passage for food and air
• opens into the oesophagus and extends up to stomach

Answer 18

pharynx

Question 19

a flap of cartilage in the back of the throat

Answer 19

epiglottis

Question 20

• can store very large quantities of food
• food stays in here for some time for the enzymes to take action

Answer 20

stomach

Question 21

churns food mechanically and secretes gastric juice, a mixture of the enzyme pepsinogen and hydrochloric acid, that begins the digestion of
proteins.

Answer 21

Stomach

Question 22

keeps the food in the stomach long
enough to be digested.

Answer 22

pyloric sphincter

Question 23

serves three main functions: egestion, the removal of undigested waste; vitamin production, from bacteria symbionts living in the colon; and the removal of excess water.

Answer 23

large intestine

Question 24

organ where absorption occurs

Answer 24

small intestine

Question 25

where absorption occurs

Answer 25

small intestine

Question 26

Order of organs in the digestive system

Answer 26

1. Mouth & Tongue
2. Esophagus
3. Stomach
4. Small intestine
5. Large intestine
6. Anus