excretory products Flashcards
most toxic nitrogenous waste is
ammonia
least toxic nitrogenous waste is
uric acid
ammonia is lost through _____ in fish
diffusion from body surface, gills as ammonium ions
ammonotelic organisms are
osteichthytes, aquatic amphibians, aquatic insects
ureotelic organisms are
mammals, land amphibians, chondrichthytes
uricotelic organisms are
land insects, birds, reptiles, land snails
ornithine cycle in liver converts ____ into ____
ammonia + co2 to urea
excretory organs are absent in
echinodermata
prawns excrete through
antennal gland and green gland
left kidney is located
slightly higher than left
length of kidney
10-12 cm
width of kidney
5-6 cm
thickness of kidney
2-3 cm
weight of kidney
120- 170 g
peritubular capillaries arise from
efferent arteriole
efferent arteriole is ____ than afferent
thinner
GFR is
125 ml/min or 180L/day
cells of bowman’s capsule are called
podocytes