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Learn about bird anatomy, from colic caeca to the respiratory system. Understand the functions of various bird parts and body systems step by step. Suitable for beginners in avian biology.
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These small white pouches on the intestine are called colic caeca Their function is to _________________. contain microorganisms to break down plant material
gizzard This organ thatcontains small rocks/gravel is the ____________ It’s function is to_______________ grind and mashfood
This largebreast muscleis the _____________ pectoralis sternum It attaches to the _______________
B A Right atrium A = ? B = ? D C Left atrium C = ? Right ventricle D = ? Left ventricle
The red arrow is pointing to the____________ pancreas Its function is to __________________________ Make trypsin for the small intestine; Make insulin & glucagon to regulate blood sugar
A esophagus A = ____________ B = ____________ Give a function for B ___________________________ crop B Store and moisten food
liver The circled organ is the ____________ #2 Give the 4 functions Make bile; store vitamins Store glycogen; process toxins for the kidneys
lung The arrow is pointing to the ____________ Give the body system respiratory
Blood inA & C is _______ oxygen blood. B A LOW Blood leaving C goes next to the__________ D C Lungs
Nictitating membrane The membrane that covers & protects the eye is the ____________
gizzard A A = It’s function is to ______________________ grind and mash food
duodenum (Small intestine) This part of the tube is the ______________ Give a function Add bile; add tryspin; Finish digestion
Which excretory organ is missing in birds that was present in turtles & frogs? Urinary bladder
This part of the tube is the ______________ ileum (Small intestine) Give a function Absorb nutrients
This part of the tube is the ______________ ileum (Small intestine) Another name for the large intestine is _________________ colon
Blood inB & D is _______ oxygen blood. B A HIGH Blood leaving D goes next to the__________ D C Body organs
#1 #2 gizzard #1 = _______________________ #2 = ___________________ pancreas
? ? ? ? CROP esophagus proventriculus gizzard
cere This fleshy area on the beak is called the _____________ TRUE or FALSE Birds have a nictitating membrane like frogs and turtles. TRUE- helps birds that dive underwater for food
CROP Name the parts of the digestive system shown. ESOPHAGUS PROVENTRICULUS GIZZARD
Air sacs These colored sacs are the _____________
ovary #38 = Give the function___________________ Make eggs #40 = _______________ Give a function oviduct Add albumen & shell; carry eggs to cloaca
pectoralis muscle sternum sdsd dfds
testes These paired organs are the______________ The tubes leaving this structure are called ____________ They carry _____________ to the________________ Vas deferens sperm cloaca
Preen gland This is the ___________ Its function is to__________________ Make oil to waterproof feathers
vent This opening is called the _____________ Name the 3 body systems that empty into the cloaca and exit usingthe opening above. Digestive, excretory, reproductive
The 3rd eyelid that protects the eyeis called the ____________membrane. nictitating The green spotmarks this opening in the head behind the Eyes. ear
#1 = ________________ #2 = ________________ #3 = ________________ #3 #2 #1 Pectoralis muscle heart Liver
tympanic This opening leads to the __________________ membrane down inside the head.
kidneys These snowman shaped organs are the ______________ Uric acid They remove _____________ from the blood.
right Which side of a bird’s heart carries only LOW OXYGEN blood? The wall that divides the ventricle into two chambers is called the _____________ septum
This diamond shaped structure where the trachea splits into bronchi is the _______________ syrinx It’s the voice box Its function is ________________
ovary This organ is the _______________ Birds only have one of these on the ___________ side of their body. left
External nares The nostril openings are called the _____________________
testes These white bean shaped organs are the ____________ Their function is to _____________________ Make sperm
ureters These tubes leaving the kidneys are the ________________ They carry ____________ to the ________________ urine cloaca Image modified from: BIODIDAC
trachea The blue arrow is pointing to the _______________ The red arrows are pointing at the ____________ bronchi
This bird is a _______________ male female male
These “velcro hooks” that connect the barbs are called _______________ barbules The protein found in feathers is _____________ keratin
This blue side section of the feather is called the _____________ vane
barbs These are called _____________
This red center of the feather is the __________________ rachis
This area contains the protein and water used by the developing embryo called the _____________________ albumen Image modified from: BIODIDAC
This membrane that holds the nitrogen waste made by the embryoand acts as a lung _____________________ allantois Image modified from: BIODIDAC
This membrane that surrounds the embryo and the fluid in which it floats is the _________________ amnion Image modified from: BIODIDAC
This red membrane that surrounds the embryo’s fat rich food supplyis the __________________ Yolk sac Image modified from: BIODIDAC
chorion This membrane that surrounds all the other membranes is the _____________________ Image modified from: BIODIDAC
sternum This bone is the ________________ It’s function is to __________________________ attach the flying muscles