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JUST VOCAB
MAMMALSChapters 45
Membrane that surrounds the embryo and the fluid in which it floats ______________________
A structure that is present because
it is found in ancestor organisms,
but it is functionless and no longer used _______________
(Ex: human appendix is a vestigial cecum)
Muscular female reproductive
organ where the embryo attaches __________________
and grows
amnion
vestigial
uterus
Tiny air sac that increases surface area
in the lungs ____________________
Mammals that have hooves _______________________
Dividing wall that separates the __________________
ventricle into 2 chambers
Mammals that lay eggs _______________________
alveoli
ungulates
septum
monotremes
Type of reproduction in which no shell surrounds the embryo and it grows insidethe mother receiving nourishment and oxygenthrough the placenta ____________________ Large breastbone where the
pectoralis muscle attaches ____________________
Mammals that have premature babiesWhich they carry in a pouch until
they mature __________________
Middle section of small intestine ___________________________
viviparity
sternum
marsupials
jejunum
Endocrine gland that regulates
heart rate, blood pressure, &
metabolism ____________________
Tubules that carry urine from thekidney to the urinary bladder ____________________
Small tubules that carry sperm from __________________
the epididymis to the urethra
Tubule that carries urine (and sperm in males)
From urinary bladder to the exit ___________________
thyroid
ureters
Vas deferens
urethra
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 mammals that _____________________includes rats, mice, chipmunks, gophers, & squirrels
vertebrate
deuterostome
mesentery
Rodentia
Large flat teeth that grind _______________________and crush food
This 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!)
molars
glycogen
glucagon
Outside body covering in an animal __________________
This kind of body organ works automaticallywithout thinking about it ______________
and is controlled by the medulla oblongata
integument
autonomic
The first part of a four chamber _________________stomach found in some mammals
that contains bacteria to breakdown plants
Small finger-like extensions lining
the small intestine to increase ____________________
Surface area for more nutrient absorption
Small air sacs inside the lungs that__________________
Increase surface area for more gas exchange
Thin plates of fingernail like material
that form a screen in the mouths of
some whales ______________________
rumen
villi
alveoli
baleen
Largest artery _____________________
largest vein ____________________
Pointed teeth that puncturetear, and grip food __________________
These small thin walled blood vessels
connect arteries and veins and are the
place where gases, wastes, & nutrients
are exchanged __________________
aorta
Vena cava
canines
capillaries
Joining of an egg & sperm insidethe 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 ______________________________
Internal fertilization
Direct development
closed
Chordate
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
Eardrum ____________________
Whiskers _____________________
Part of the small intestine
closest to the cecum _____________________
A protein found in human hair ________________ & fingernails as well asthe scaly skin of reptiles and bird feathers
Typanic membrane
vibrissae
ileum
keratin
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
Opening at back of throat forfood to enter esophagus ____________________ Part of the small intestine ____________________closest to the stomach
Bile storage organ __________________missing in rats
Process used by bats which bounceshigh frequency sound waves off objects to determine their location, distance, and size ______________________________
gullet
duodenum
Gall bladder
echolocation
Blood vessels that carry blood ______________________away from the heart
Part of the brain that controls autonomic internal organs _________________
Chisel-like front teeth that cut food _________________
Part of the brain that controls
balance and muscle coordination __________________
arteries
Medulla oblongata
incisors
cerebellum
Scientific name for “nostrils” ____________________
Male reproductive structure____________________that adds fluid to and stores sperm
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
Seminal vesicles
pulmonary
Urinary bladder
systemic
Blood vessels that carry blood back _________________
to the heart
Exit opening shared by excretoryand reproductive systems _________________
Part of the brain that integrates
info from the other brain parts and where
higher brain functions like memory, learning,
reasoning, and problem solving occur _____________________
Modified skin glands that produce
Milk for young __________________________
veins
Urogenital opening
cerebrum
Mammary glands
Gland that controls heart rate,Blood pressure, and metabolism __________________ Finger-like extensions INSIDEthe small intestine to increase
absorption ____________________
Body temperature that isdependent on their environment__________________ “cold-blooded”
Organ that makes, stores, andrecycles red blood cells ______________________
thyroid
villi
ectothermic
spleen
Organ that makes eggs ____________________
Organ that makes sperm ____________________
Place where tails are added tosperm __________________
Opening at back of mouth to
the lungs ____________________
ovary
testes
epididymis
glottis
Order of mammals with a larger brain,fingernails instead of claws, forward facingeyes for binocular vision, and grasping handswhich includes: humans, apes, monkeys, baboons,and similar animals ____________________
Aquatic carnivorous mammals with streamlined bodies and flipper-like limbssuch as seals, sealions, & walruses ____________________
Teeth that shear, shred, cut, & grind __________________
primates
pinnipeds
premolars