Digestion

Question 1

What is digestion?

Answer 1

The process by which food molecules are broken down.

Question 2

What are the 2 types of digestion?

Answer 2

Mechanical and chemical

Question 3

What does chemical digestion do?

Answer 3

Changes the kinds of molecules

Question 4

What is chemical digestion carried out by?

Answer 4

Digestive enzymes

Question 5

What are examples of chemical digestion?

Answer 5

Saliva and bile

Question 6

What does mechanical digestion do?

Answer 6

Turns big pieces of foods into smaller ones to help with digestion

Question 7

What are examples of mechanical digestion?

Answer 7

Mouth and stomach: food is crushed, broken, and cut into smaller pieces, and stomach churning helps squish the food into smaller pieces

Question 8

What is the pathway of food through the body?

Answer 8

Mouth, esophagus, stomach, small intestine, large intestine, appendix

Question 9

What are the three things in the mouth?

Answer 9

Tongue, teeth, saliva

Question 10

What does the tongue do?

Answer 10

Moves food around

Question 11

What do teeth do?

Answer 11

Mechanically break food down

Question 12

What does saliva do?

Answer 12

Moistens food for easier swallowing, and helps digestion starch into sugar

Question 13

What is the esophagus?

Answer 13

The tube that carries food to the stomach

Question 14

What is peristalsis?

Answer 14

A series of involuntary wave-like muscle contractions that move food along the digestive tract

Question 15

What is the epiglottis?

Answer 15

It’s a flap in your throat that closes the opening to the trachea so food does not enter the lungs

Question 16

What are the three things the stomach does?

Answer 16

Temporarily stores food eaten within two to four hours, mechanically digests food, and begins digesting proteins with the help of hydrochloric acid

Question 17

What is the small intestine?

Answer 17

Long, narrow tune twisted up where digestion finishes and nutrients are absorbed into blood

Question 18

What body structures help with the small intestine?

Answer 18

Liver and pancreas: the liver produces bile, which is stored in the gall bladder, and helps digest fats, and the pancreas produces enzymes which help with chemical digestion

Question 19

What is the large intestine?

Answer 19

It’s a specialized tube that absorbs water

Question 20

What is the appendix?

Answer 20

It’s a sac-like structure found where the small intestine turns into the large intestine

Question 21

What is heart burn?

Answer 21

Acid from the stomach backs up into the esophagus

Question 22

What are ulcers?

Answer 22

Sores on the inner lining of the stomach wall caused by bacterial infections

Question 23

What is liver cirrhosis?

Answer 23

Scaring of the liver

Question 24

What is anorexia?

Answer 24

Psychological condition where someone thinks they’re overweight and refuses to eat

Question 25

What is bulimia?

Answer 25

Eating disorders involving a cycle of binge eating followed by forced vomiting

Question 26

What is appendicitis?

Answer 26

Inflammation of the appendix due to infection

Question 27

What is constipation?

Answer 27

Condition where large intestines are emptied with difficulty, and too much water is absorbed and feces harden

Question 28

WHAT is diarrhea?

Answer 28

Condition where feces move too quickly through intestines, resulting in less water and nutrients being absorbed into the blood stream