EXCRETORY

Question 1

Main waste materials

Answer 1

NItrogenous waste

Question 2

waste are eliminated through

Answer 2

excretion (hindgut - ileum - colon - rectum - anus)

Question 3

hind gut characteristic

Answer 3

have microvilli and striated

Question 4

made up of long, spaghetti-like structures extending throughout most of the abdominal cavity, closed at their tips and float freely in the body cavity, sometimes embedded in outer part of midgut wall; joined to the intestine just back of the pyloric valve;.

Answer 4

malphighian tubules

Question 5

channel or passage

Answer 5

ileum/colon

Question 6

lined up with rectal pads for secretory/ absorption of water function

Answer 6

rectum

Question 7

where waste passes out

Answer 7

anus

Question 8

Rectal pads/Rectum for absorption of:

Answer 8

water, aa, and salt

Question 9

Rectal pad characteristic

Answer 9

*thinner cuticle that has depression
*have lot of folds
*mitochondria membrane stacks

Question 10

Roles of excretory system

Answer 10

-excretion of nitrogenous waste
-homeostasis (regulation of salt and water balance)
-storage of cellulose digestion (termites)
-respiration (dragon flies)

Question 11

semisolid, accumulates within Malpighian tubules

Answer 11

Uric acid

Question 12

how excretion takes place

Answer 12

nitrogenous waste (in haemolymph) - urea - uric acid

Question 13

causes urine to flow

Answer 13

potassium ion gradient in MT

Question 14

responsible for reabsorption of aa, salts, and water to hemolymph

Answer 14

Potassium ions

Question 15

dry pellets

Answer 15

meconium

Question 16

removes needed inorganic ion and aa from urine

Answer 16

lining of the rectum

Question 17

group of loosely organized cells in the body cavity that also function in intermediate metabolism. also acts as storage of inactivated uric acid

Answer 17

fat body