RAT DISSECTION

RATDISSECTION

Image from: http://www.animationlibrary.com

Mammals lived at same timeas dinosaurs; mammals spread out when dinosaurs became extinct

RAT LATIN meaning

KINGDOM _____________

PHYLUM ____________________________

SUBPHYLUM ___________________________

CLASS _______________________________

ORDER _____________________________

ANIMALIA

CHORDATA

VERTEBRATA “backbone”

Mammalia “breast”

RODENTIA “to gnaw”

VIBRISSAEEXTERNAL

NARES

PINNA

MAMMARY GLANDS

EXIT OPENINGS

DIAPHRAGMDivides coelom into:

THORACIC CAVITY

heart & lungs

ABDOMINAL CAVITYdigestive, excretory, reproductive organs

Image from: http://www.utm.edu/~rirwin/RatAnat.htm

TRACHEA BRONCHI

LUNGS

• Cartilage rings• Left lung smaller makes room for heart

Image from: http://www.utm.edu/~rirwin/RatAnat.htm

http://www.eschs.k12.nm.us/Bio2/2k3-4/white_rat_dissection.htm

HEART

Image from: http://www.utm.edu/~rirwin/RatAnat.htm

Image from: http://www.utm.edu/~rirwin/RatAnat.htm

Image from: http://www.utm.edu/~rirwin/RatAnat.htm

KIDNEYS