CHAPTER 42CIRCULATION & GAS EXCHANGE

Mosammat Taher & Alyssa Weaver

GASTROVASCULAR CAVITY

Hydra

Works for both digestion and carrying nutrients throughout the body

Jelly Fish

OPEN & CLOSED CIRCULATORY SYSTEMS

OPEN: Circulatory fluid covers organs directly and has same circulatory fluid

CLOSED: Blood is only in the vessels and is different from the interstitial fluid

Mammalian CirculationTHE HEART The Circulatory

System

Blood from right ventricle goes to the lungs for oxygen. Oxygenated blood goes to the left ventricle to pump blood throughout the body.

How Capillaries Work

http://www.youtube.com/watch?v=Q530H1WxtOw

BLOOD COMPONENTS

Red Blood cells (erythrocytes) White

Blood Cells (leukocytes) Platelets

(thrombocytes)

Stem Cells

Neutrophils Monocytes Lymphocytes Eosinophils Basophils

GAS EXCHANGEMediums and Surfaces

AIR AND WATER

Mammalian Respiratory System And Fish

HOW WE BREATHE

SOURCES• http://www.biog1105-1106.org/demos/105/unit6/gastrovascularcavity.4b.html

• http://www.freefoto.com/preview/33-04-14?ffid=33-04-14 • • http://serc.carleton.edu/images/usingdata/nasaimages/molecules-air.gif• • • http://163.16.28.248/bio/activelearner/44/ch44c8.html. • • http://pachavidayoga.com/?cat=1• • • http://faculty.ucc.edu/biology-atsma/misc/resp.htm• http://www.biog1105-1106.org/demos/105/unit6/gastrovascularcavity.4b.html• http://science.kennesaw.edu/~jdirnber/Bio2108/Lecture/LecPhysio/PhysioCirculatory.html

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