Module13

Question 1

Digestion

Answer 1

Digestion – The process by which an organism breaks down its food into small units that can be absorbed by the body

Question 2

tongue

Answer 2

moves the food around in the mouth to form a bolus

Question 3

bolus

Answer 3

a soft lump of food

Question 4

salivary glands

Answer 4

produce saliva

Question 5

saliva

Answer 5

begins chemical digestion,and keeps food moist

Question 6

soft palate

Answer 6

when swallowing, this rises to seal off thre passageway to your nose to prevent food or fluids from entering.

Question 7

epglottis

Answer 7

when swallowing this lowers to seal off your larynx to prevent food or fluids from entering.

Question 8

trachea

Answer 8

the passsageway to the throat (also called the windpipe)

Question 9

lobes

Answer 9

the lobes on either side of your chest, that are for breathing

Question 10

pharynx

Answer 10

squeezes food so that it moves into the esophagus: it is the area thats is in the back of the throat

Question 11

esophagus

Answer 11

contracts in “waves” to push the bolus down into the stomach

Question 12

stomach

Answer 12

produces digestive juices that turn the bolus into chime.

Question 13

liver

Answer 13

produces bile ( which breaks down fats)

Question 14

gall bladder

Answer 14

stores bile in a concentrated form until needed-when the food passes from the stomach into the beginning of the small intestine

Question 15

pancreas

Answer 15

produces digestive juices as well as sodium bicarbonate ( a base)
that neutralizes the stomach acid that is in chyme:
these ar released into the beginning of the small intestine

Question 16

small intestine

Answer 16

where most of the absorbtion of nutrients into the blood stream occurs.

Question 17

appendix

Answer 17

a small worm-shaped tube that branches off the large at its opening. not all of its functions are known yet.

Question 18

large intestine

Answer 18

absorbs water from the undigested food, turning it in more soild feces

Question 19

feces

Answer 19

waste material that the small intestine was un able to digest

Question 20

rectum

Answer 20

stores feces until time for expulsion

Question 21

anus

Answer 21

location of expusion

Question 22

vitamin

Answer 22

a chemical substance essential for the normal working of the human body

Question 23

fat-soluble vitamins

Answer 23

Vitamins A,D,E,K; these can build up to toxic levels if you take in too many: vitamin D can also be absorbed from exposure to sunlight

Question 24

Vitamin K

Answer 24

a by-product of good bacteria in the large intestine, and is one of the two vitamins that can be absorbed through exposer to sunlight

Question 25

water-soluble vitamins

Answer 25

C vitamins ,B group vitamins (the B group includes pantothenic acid, as well as trwo vitamins that are a by-product of good bacteria:biotin and folic acid)