JUST VOCAB

BIRDSChapters 44

Membrane sac in an amniotic egg ____________________

that exchanges gases and stores nitrogen waste

The proteins and water stored in ____________________an amniotic egg

Membrane sac in an amniotic egg __________________that surrounds the fat-rich food supply

Membrane that surrounds the embryo and the fluid in which it floats ______________________________

Membrane that surrounds all the other membranes ____________________________

Allantois

albumen

Yolk sac

amnion

chorion

Tiny air sac that increases surface area in the lungs ____________________ Voice box where the trachea branches

____________________

Dividing wall that separates the __________________ventricle into 2 chambers

Fused collar bones that stabilize the wings during flight

__________________

alveoli

syrinx

septum

furcula

Fused vertebrae that supportthe tail during flight ____________________

Large breastbone where the pectoralis muscle attaches ____________________

Type of reproduction in which the

egg is surrounded by a shell and laid

outside the body to hatch __________________

Scientist who studies birds ___________________________

pygostyle

sternum

Oviparous

Ornithologist

Endocrine gland that regulates

Heart rate, blood pressure, &

metabolism ____________________

Tubules that carry urine from thekidney to the cloaca ____________________

Small tubules that carry sperm from __________________

the testes to the cloaca

Tubes which add the albumen & shell to the eggs as they are carried from ovary to cloaca

___________________

thyroid

ureters

Vas deferens

oviducts

Joining of an egg & sperm outsidethe female’s body ____________________

Kind of development in whichoffspring are born/hatch lookinglike their parents only smaller ____________________

Kind of circulatory system in whichblood is contained inside vessels __________________

Organism that has a notochord,

pharyngeal pouches, a post anal tail,

and a dorsal nerve cord ______________________________

External fertilization

Direct development

closed

Chordate

Organism with a backbone ____________________

Organism whose blastopore becomes its anus ____________________

Thin membrane in the coelom that____________________

connects and holds the internal organs

together

Order of birds that _____________________includes pigeons and doves

vertebrate

deuterostome

mesentery

Columbiformes

Maintaining the correct balance of water and ____________________ ions in the body

Covering made of bone that ____________________

protects the brain; also called skull

Nerve cord surrounded by bone

or cartilage; also called a

Spinal cord _____________________

osmoregulation

cranium

Vertebral column

Joining of an egg & sperm insidethe female’s body ____________________

Enlargement of the esophagus thatstores and moistens food waiting ____________________

to be digested

1st part of the stomach in a bird __________________

where digestion begins

A protein found in the scaly skin of ______________________ reptiles and also in bird feathers, &

human hair & fingernails

Internal fertilization

crop

proventriculus

keratin

Baby birds that are hatched blind,naked, and helpless ____________________

2nd part of the stomach whichcontains rocks for grinding food __________________

Eardrum __________________

CLASS for birds __________________

altricial

gizzard

Tympanic membrane

AVES

Opening at back of throat for

food to enter esophagus ____________________

Coiled portion of small intestine ____________________

between duodenum and large intestine

Bile storage organ __________________

Lower jaw ______________________________

Upper jaw ______________________________

gullet

ileum

Gall bladder

mandible

maxilla

Small pouches at the junction of the

Small and large intestine that contain

bacteria to help digest plants ________________

Baby birds that can run , swim, and

fly soon after they hatch _________________

Outside body covering in an animal __________________

This kind of body organ works automaticallywithout thinking about it ______________

Colic caeca

precocial

integument

autonomic

An egg with four membranes and aprotective shell found in reptiles, ____________________

BIRDS, and a few mammals In animals the body plan where the left and right sides are mirror images of each other ____________________

This part smoothes the flow of bloodleaving the ventricle __________________

These small thin walled blood vessels connect arteries and veins and are the place where gases, wastes, & nutrients

are exchanged __________________

Amniotic

Bilateral symmetry

Conus arteriosus

capillaries

Blood vessels that carry blood ________________________away from the heart

Membrane that covers and protects

a frog’s eye while swimming ______________________

Area in a fish’s brain that receives and

processes info from visual, auditory,

and lateral line systems _______________________________

Posterior part of the brain that controls

balance and muscle coordination ________________________

arteries

Nictitating membrane

Optic lobes

cerebellum

Blood vessels that carry blood back _________________ to the heart

Fleshy area near the beak of a bird _________________

Posterior part of the brain that integratesinfo from the other brain parts and wherehigher brain functions like memory, learning,reasoning, and problem solving occur _____________

Collecting chamber that receives bloodreturning to the heart from the bodybefore it enters the atrium __________________________

veins

cere

cerebrum

Sinus venosus

Part of the brain that controls the

autonomic internal organs __________________________

and relays sensory info from body

The concentration of nervous and

sensory organs in the anterior end

of an animal _____________________________

Small fingerlike extensions inside the

intestine that increase surface area

for greater absorption of nutrients _______________

Medulla oblongata

cephalization

villi

First section of intestine _______________________nearest stomach

The energy molecule is stored

in the liver ________________________

This substance is made by the pancreas

and causes cells to release glucose into

the bloodstream. __________________

(Be careful! It sounds like the answer above.Don’t get these 2 confused!)

duodenum

glycogen

glucagon

Gland that controls heart rate,

Blood pressure, and metabolism __________________

Multipurpose exit space before

the vent ____________________

Body temperature that is

dependent on their environment__________________

“cold-blooded”

Organ that makes, stores, and

recycles red blood cells ______________________

thyroid

cloaca

ectothermic

spleen

Organ that makes eggs ____________________

Organ that makes sperm ____________________

Exit opening in animals with

a cloaca __________________

Opening at back of mouth to

the lungs ____________________

ovary

testes

vent

glottis

Scientific name for “nostrils” ____________________

Sense that deals with smell____________________

Circulation that carries blood

from heart to lungs and back to heart__________________

Urine storage organ _________________________

Circulation that carries blood from heart

to body organs and back to heart ____________________

nares

olfactory

pulmonary

Urinary bladder

systemic

Ringed tube that carries air fromGlottis to bronchi ____________________ Smaller ringed tubes that carry airfrom trachea into lungs____________________

Largest vein returning bloodto heart __________________

Largest artery leaving heart ________________________

Organ that absorbs water andconcentrates digestive waste ____________________

trachea

bronchi

Vena cava

Aorta

Large intestine

Extensions on the lungs of a birdthat store air but don’t exchange gases_________________ Small finger-like extensions liningthe small intestine to increase ____________________Surface area for more nutrient absorption

Small air sacs inside the lungs that__________________Increase surface area for more gas exchange

Featherless area of skin on the abdomenof birds used to keep the eggs warm ______________________

Nutritious milk-like fluid made in the cropof pigeons and doves ____________________

Air sacs

villi

alveoli

Brood patch

Crop milk