Unit 8.3

Question 1

What is homeostasis?

Answer 1

Adjusting/maintaining a constant inside despite the outer circumstances using the hypothalamus

Question 2

Two categories of drugs

Answer 2

Stimulants

Depressants

Question 3

Which type of drug increases/decreases heart rate?

Answer 3

Stimulants increase

Depressants decrease

Question 4

Two other names for the digestive system

Answer 4

Gastrointestinal tract

Alimentary canal

Question 5

Ingestion

Answer 5

Taking in food

Question 6

Digestion

Answer 6

Breaking down complex molecules (the food)

Question 7

Absorption

Answer 7

Moves nutrients to the bloodstream

Question 8

Egestion

Answer 8

Removal of wastes

Question 9

Two types of digestion

Answer 9

Physical

Chemical

Question 10

In the mouth what is the food clumped together with and what is the clump called?

Answer 10

Food sticks together due to mucin and the clump is called “bolus”

Question 11

What two things does the salivary glands secrete?

Answer 11

Mucin

Saliva

Question 12

What 3 things does saliva do for our body?

Answer 12

Activates tastebuds
Lubes up the food
Breaks down amylose(starch) thanks to amylase