heterotrophs

Question 1

why

Answer 1

fuel
raw materials
essential nutrients

Question 2

essential nutrients

Answer 2

amino acids
fatty acids
vitamins
minerals

Question 3

ingest

Answer 3

take in food

Question 4

digest

Answer 4

break food down

Question 5

absorption

Answer 5

diffusion and active transport

Question 6

waste

Answer 6

extracellular material

undigested stuff

Question 7

crop

Answer 7

grinds food in grasshoppers and birds

Question 8

intestines

Answer 8

more surface area

Question 9

alimentary canal

Answer 9

hole from mouth to butt

Question 10

largest part of alimentary canal

Answer 10

small intestine

Question 11

peristalsis

Answer 11

smooth muscle in esophagus

• contracts in a ring and forces food down the tube
• involuntary

Question 12

sphincter

Answer 12

like a drawstring that regulates passage from different sections

Question 13

accessory glands

Answer 13

help with digestion
-salivary glands
pancreas
bladder

Question 14

saliva

Answer 14

amylase - digests starch
mucin-mucus
buffers-neutralizes acids for tooth decay
antibacterial chemicals - kills bacteria

Question 15

i can type with my eyes closed

Answer 15

you should be able to do it with your eyes closed
-icant really
thats sad thanks

Question 16

epiglottis

Answer 16

makes a flap so food doesn’t go into trachea

Question 17

food storage

Answer 17

2L of food

Question 18

pepsin

Answer 18

enzyme that breaks down proteins in the stomach

Question 19

cardiac sphincter

Answer 19

keeps acid reflux from going up into esophagus

Question 20

pyloric sphincter

Answer 20

bottom of stomach

Question 21

helibacrer pylor

Answer 21

makes stomach ulcers