Digestion
Blood Flow Through the Heart Copyright © 2003 Pearson Education, Inc. publishing as Benjamin Cummings
Human Respiratory System Copyright © 2003 Pearson Education, Inc. publishing as Benjamin Cummings
22 bones in skull 6 in middle ears 1 hyoid bone 26 in vertebral column 25 in thoracic cage 4 in pectoral girdle 60 in upper limbs 60 in lower limbs 2 in pelvic girdle 206 bones in all
Useless Bone Fun Fact Steel is very heavy. To build very high structures architects need to be creative. One architect noticed the structure of a very light, yet very strong bone…the Femur. What was the architect’s name?
Useless Bone Fun Fact His name was Gustave Eiffel
Useless Bone Fun Fact How old is your skeleton? How old is your parent’s skeleton? How old is your grandparent's skeleton?
Useless Bone Fun Fact On average most human skeletons are only 10 years old…Explain how.
Form and Function in Annelids
Groups of Roundworms: Nematoda Class: Oligochaeta Anus Setae Body segments Gizzard Crop Dorsal blood vessel Clitellum Mouth Brain Ganglion Circular muscle Ventral blood vessel Ganglia Longitudinal muscle Nephridia Ring vessels Reproductive organs
Pages 701-7 Eye: Squid have a well developed eye that allows them to see as well as people! Arm: Have 8 arms with suction cups Fin: These help squid change direction when swimming Tentacle: Longer than the arms and have suction cups at the tip only Chromatophores: These spots change size to change the squid’s color for camouflage
Females “in berry” carry developing embryos on swimmerets http://crayfish.byu.edu/crayfish_biology.htm
INTERNAL
ORAL VIEW http://wwwbio200.nsm.buffalo.edu/labs/tutor/Starfish/Starfish02D.html
http://wwwbio200.nsm.buffalo.edu/labs/tutor/Starfish
AMBULACRAL GROOVE TUBE FEET sit in GROOVE
DIGESTIVE GLAND Makes BILE ABSORBS NUTRIENTS
STOMACH
EUCOELOM OPEN CIRCULATION http://faculty.baruch.cuny.edu/jwahlert/bio1003/echinoderm.html
AMBULACRAL RIDGE AMPULLAE (tops of tube feet)
http://www.k-state.edu/organismic/echinoderms_and_protochordates.htm
DIGESTIVE GLAND GONAD OSSICLES
Caudal Fin Anterior Dorsal Fin Posterior Dorsal Fin Pectoral fin
Spiracle Gill slits Eye
Mouth Lateral Line Nostril
Myomere Skin
Clasper Cloacal opening
Kidneys
Rugae
Spleen Liver
Rectal gland
Gallbladder Intestine
Stomach Heart Testes
Gill Arches
The yolk sac provides nutrients to the developing offspring.