The three veins most often used for venipuncture in birds are the
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Which adaptation to the skeletal system is key to the abilit…
Which adaptation to the skeletal system is key to the ability of birds to fly?
The forearm of the wing is formed by the
The forearm of the wing is formed by the
Heterophils in avian blood are equivalent to __ in mammalian…
Heterophils in avian blood are equivalent to __ in mammalian blood.
How many air sacs make up the avian respiratory system?
How many air sacs make up the avian respiratory system?
In birds, which gonad is rudimentary and doesn’t function?
In birds, which gonad is rudimentary and doesn’t function?
The bony ridge on the sternum of strong flying birds is the
The bony ridge on the sternum of strong flying birds is the
Which gland secretes a hormone that regulates body and feath…
Which gland secretes a hormone that regulates body and feather growth and may stimulate the migration urge?
The bursa of Fabricius stimulates the production of
The bursa of Fabricius stimulates the production of
Avian red blood cells differ from mammalian red blood cells…
Avian red blood cells differ from mammalian red blood cells in that they are