complete gut sea star and earthworm

Question 1

echinoderm example

Answer 1

sea star

Question 2

cardiac stomach

Answer 2

food passes through here first after the mouth and esophagus

Question 3

pyloric stomach

Answer 3

connected to the pyloric duct to a pair of large pyloric ceca in each arm

Question 4

pyloric cecum

Answer 4

consists of a longitudinal duct with many lateral ducts connected to secretory lobules which help digest food

Question 5

mouth

Answer 5

where the soil is ingested and uses soil particles to help masticate food in mouth

Question 6

phrynx

Answer 6

mucus and calcium carbonate gets added to the mixture to help with lubrication and neutralize soil acids

Question 7

esophagus

Answer 7

food passes through here

Question 8

crop

Answer 8

food is mixed here and stored

Question 9

gizzard

Answer 9

chemical digestion begins due to enzymes and secreted from cells in the gizzard

Question 10

intestine

Answer 10

where resident microbes break down foodstuffs and produce essential nutrients which will be absorbed through the intestinal wall into blood vessels