Digestive System

Question 1

What does the digestive system do? (2 points)

Answer 1

Collect all nutrients for energy and growth
Input water into our bodies

Question 2

Enlogated structure in our body (tubes and fibers)

Answer 2

GI Tract

Question 3

GI stands for…

Answer 3

Gastrointestinal

Question 4

How many days can you survive without food?

Answer 4

1-2 weeks

Question 5

How many days can you survive without water?

Answer 5

2-3 days

Question 6

Gastro means

Answer 6

Stomach

Question 7

General functions of GI Tract

Answer 7

Ingestion
Digestion
Absorption
Excretion

Question 8

The simple process of putting food in your body (through mouth)

Answer 8

Ingestion

Question 9

Digestion

Answer 9

The most complex process in the digestive system
Breaks down food into molecules for energy and growth

Question 10

What are the two types of digestion

Answer 10

1. Mechanical digestion
2. Chemical digestion

Question 11

Mechanical digestion is

Answer 11

The physical breakdown of food exposes more surface areas for chemicals to be broken down easier
Increases efficiency

Question 12

Chemical digestion

Answer 12

Uses enzymes, specialized proteins, to break down food using chemical reactions (acid)

Question 13

GI TRACT ORGANS

Answer 13

mouth (salivary glands, teeth, tongue)
Esophagus
Stomach
Small intestine
Large intestine
Rectum
Anus

Question 14

Accessory organs include:

Answer 14

In between stomach and small intestine

Liver
Gall bladder
Pancreas

Question 15

Mouth and teeth

Answer 15

Responsible for mechanical digestion and ingestion

Question 16

Salivary glands

Answer 16

Lubricates good to slide down esophagus
Includes enzymes that breaks down carbs

Question 17

The space at the back of your throat where food and air share space

Answer 17

Pharynx

Question 18

Flap that closes trachea that prevents food from going towards lungs. If this fails you choke.

Answer 18

Epiglottis

Question 19

What muscle is the Gi tract composed of?

Answer 19

Smooth muscle

Question 20

Functions of Peristalsis

Answer 20

Moves food through contraction
Helps mechanical digestion by mixing food around in tract

Question 21

Does gravity move food to our stomach

Answer 21

Although it does help it is not the only factor

Question 22

Stomach

Answer 22

J shaped
Attached to esophagus
First major step in Chem digestion (contains HCl)
Lined with acid proof mucous layer

Question 23

RUGAE

Answer 23

highly folded interior of stomach
Where mucus and digestive enzymes are located

Question 24

SMALL INTESTINE

Answer 24

most chemical digestion takes place
Secrets enzymes and has sodium bicarbonate to neutralize stomach acid
Connected to accessory organs
Helps with mechanical digestion

Question 25

LARGE INTESTINE

Answer 25

Absorbs minerals, vitamins, and water too create solid fecal matter Also known as gut or colon

Question 26

Appendix

Answer 26

Dead pouch or replenishes good bacteria

Question 27

Rectum and Anus

Answer 27

R- Connects to large intestine and anus Exit point if digestive tract

Question 28

Where does excretion take place

Answer 28

Rectum and anus

Question 29

Are accessory organs associated with Gi tract?

Answer 29

Yes; however, food does not pass through them Responsible for secreting substances into GI tract to help with digestion

Question 30

Largest organ and created bile for fat digestion (fats emulsifies to mix with water)

Answer 30

Liver

Question 31

Where is bile stored?

Answer 31

Gall bladder - which secretes bile into small intestine

Question 32

What is bile composed of

Answer 32

Minerals Salts That emulsifies fats

Question 33

Pancreas

Answer 33

Creates a large number of enzymes regulates blood sugar

Question 34

Interior wall do small intestine

Answer 34

Villi

Question 35

Condition that occurs suddenly

Answer 35

Acute

Question 36

Chronic

Answer 36

Affects patient over a long extended period of time

Question 37

Are many digestive systems disorders chronic?

Answer 37

Yes affects their quality of life

Question 38

Disorders of stomach: gastroenteritis

Answer 38

- stomach flu - intestines get swollen with virus or bacteria - swelling in stomach - certain species of bacteria may secrete toxins that affect intestines ability to absorb water If water is secreting into intestines = shit -drink liquids with sugar/salts - may need IV Antibiotics Fecal transplants

Question 39

Stomach ulcers

Answer 39

Holes burned in stomach bc of stomach acid (when stomach lining fails to protect) Could cause bleeding Treatment is actacids Heliobacter pylori weakens stomach lining Vomit when eating Fecal matter may help

Question 40

GERD - gastroesphogeal reflux disease

Answer 40

Heatburn Acid burns proteins/muscles in espoughus Treatment: surgery/ sleeping sitting up/medicine to neutralize/antacids shut down proton pumps

Question 41

Smk

Answer 41

Kms