Can you name the terms associated with vertebrate physiology? by abyford

Starts with		Description
A		Air sacs within the lungs
A		Allowed reproduction away from water in reptiles (2 words)
A		Class that includes the frog
A		Order that includes frogs (means 'no tail')
B		Its shape determines what a bird can eat
C		Protects the brain of all vertebrates
C		Refers to breathing through the skin
D		Location of a vertebrate nerve cord
E		Warm-blooded
E		Cold-blooded
F		Found only in birds and are essential for flight
F		Number of chambers in all bird and mammal hearts (spell it out)
H		Found on all mammals, even dolphins!
K		Primary excretory organ in a frog
M		Produced by females to feed their young
N		Clear covering over the eye in a frog (2 words)

Starts with		Description
O		Laying hard-shelled eggs which are then cared for by a parent
O		Only North American pouched mammal
P		Circulation to the lungs
P		Mammals in which the young develop internally
M		Mammals which lay eggs
M		Mammals with pouches
R		One of the functions of a frog's skin
R		Includes turtles, snakes, and crocodiles
S		Circulation to the body
S		Divides the left and right sides of the ventricle
T		Number of chambers in a frog heart (spell it out)
T		'Ear drum' of the frog (2 words)
T		Immature frog
T		The combination of shapes determines what mammals eat
V		How wastes leave the frog digestive system
W		Must be present for amphibians to reproduce successfully

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