General Science-Digestive and Excretory System

Question 1

What is the name of the enzyme that saliva contains?

Answer 1

Salivary Amylase

Question 2

Salivary Amylase break down what?

Answer 2

Starch

Question 3

Chewing (teeth + tongue aid)

Answer 3

Mechanical Digestion

Question 4

From the mouth, the food moves into what?

Answer 4

Esophagus

Question 5

How does the food get pushed down through the esophagus and into the stomach?

Answer 5

Contractions

Question 6

In the stomach, the food is mixed with what two substances?

Answer 6

Gastric Acids

Pepsin

Question 7

Gastric Acids + Pepsi help break down what?

Answer 7

Protein

Question 8

Where does most of digestion take place?

Answer 8

Small Intestine

Question 9

How long is the Small Intestine?

Answer 9

About 23 Ft.

Question 10

Food is completely broken down by enzymes in where?

Answer 10

The Small Intestine

Question 11

In the Small Intestine, where are the enzyme origins?

Answer 11

The Small Intestine Walls
Pancreas
Liver

Question 12

The acids produced by the pancreas contain what?

Answer 12

Lipase

Question 13

Converts fat to glycerol and fatty acids.

Answer 13

Lipase

Question 14

This breaks down complex carbohydrates into simple sugars.

Answer 14

Pancreatic Amylase

Question 15

This converts polypeptides (molecules that compose proteins) into amino acids.

Answer 15

Trypsin

Question 16

This is produced by the liver, aids in digestion by emulsifying fat (physically separating it into individual molecules.)

Answer 16

Bile

Question 17

All digested substances are absorbed in the small intestine except what 2 substances?

Answer 17

Fatty Acids

Glycerol

Question 18

When substances are absorbed in the small intestine, they are through the what?

Answer 18

Capillaries that carry blood into the liver and rest of the body.

Question 19

The Large Intestine is aka the what?

Answer 19

Colon

Question 20

In the Colon, what two things get absorbed back into the body?

Answer 20

Water and Minerals

Question 21

What substances are filtered from the blood by the kidneys?

Answer 21

Chemical Waste
Urea
Excess Salt
Minerals
Water

Question 22

From the kidneys, waste is secreted into what?

Answer 22

Urine

Question 23

How is Urine transported to the bladder?

Answer 23

From the kidneys through the ureters.

Question 24

Solid waste is stored where?

Answer 24

Rectum

Question 25

Liquid waste is stored where?

Answer 25

Bladder

Question 26

Solid waste is released from the what?

Answer 26

Anus

Question 27

Urine is released through the what?

Answer 27

Urethra