science

Question 1

what is homeostasis?

Answer 1

the process by
which an organism’s internal environment
is kept stable in spite of change in the
external environment

Question 2

what is dynamic Equilibrium?

Answer 2

a state of balance in
nonliving, physical systems

Question 3

what is the skeletal function for?

Answer 3

shape & support

→ move (locomotion)

→ protect organs

→ produce blood cells

→ store minerals

Question 4

what is veritable column?

Answer 4

backbone

Question 5

what is a vertebrate?

Answer 5

disc-like small bones separated
by cartilage

Question 6

what is a joint?

Answer 6

two bones come together

Question 7

what is a ligament?

Answer 7

tissue holding joints together;

bone to bone

Question 8

what is a cartagile?

Answer 8

cushion

Question 9

what is involuntary muscles?

Answer 9

Involuntary Muscles: not under conscious
control; example: heart beat, breathing,
digesting food

Question 10

what is voluntary muscles?

Answer 10

under conscious
control; example: facial expressions, walking

Question 11

what is striated?

Answer 11

muscle with lines

Question 12

what is non striated?

Answer 12

muscles without lines

Question 13

what is the skin function?

Answer 13

Covers and protects from injury, infection,
water loss

Regulates body temperature

Removes waste (perspiration)

Collects environmental information

Produces Vitamin D

Question 14

what does Skin consists of?

Answer 14

epidermis – outer layer

dermis – inner layer

Question 15

how do you keep your health goof for skin?

Answer 15

diet

keep clean and dry

limit sun exposure

Question 16

what is Digestive System Functions?

Answer 16

1. breakdown food into nutrient
   molecules
2. absorption of nutrient molecules

Question 17

what is absorption?

Answer 17

nutrient molecules pass through wall of
small intestine into bloodstream

Question 18

what is digestion?

Answer 18

breakdown food into nutrient
molecules.

Question 19

Liver Function:

Answer 19

breaks down medicine and alcohol
(poisons, toxins)

removes nitrogen

produces bile

Question 20

Bile:

Answer 20

stored in gallbladder (below liver);

like a “dish detergent” . . . physically
breaks down large fat particles into small
fat particles.

Question 21

Pancreas Function:

Answer 21

produces enzymes which
enter small intestine and chemically breaks down
fats, proteins and complex carbohydrates (starch).

Question 22

Large Intestine Functions:

Answer 22

→ contains good bacteria that produces Vitamin K
(clots blood)

→ removes water from undigested food which
enters the bloodstream by absorption.

Question 23

Rectum:

Answer 23

stores undigested solid waste