1. CHAPTER 42 CIRCULATION & GAS EXCHANGE Mosammat Taher & Alyssa Weaver

2. GASTROVASCULAR CAVITY Hydra Works for both digestion and carrying nutrients throughout the body Jelly Fish

3. 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

4. Mammalian Circulation THE 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.

5. How Capillaries Work http://www.youtube.com/watch?v=Q530H1W xtOw

6. BLOOD COMPONENTS R ed Blood cells (erythrocytes) W hite Blood Cells (leukocytes) P latelets (thrombocytes) Stem Cells Neutrophils Monocytes Lymphocytes Eosinophils Basophils

7. GAS EXCHANGE Mediums and Surfaces AIR AND WATER

8. Mammalian Respiratory System And Fish

9. HOW WE BREATHE

10. 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://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/PhysioCirculat ory.html Image http://science.kennesaw.edu/~jdirnber/Bio2108/Lecture/LecPhysio/PhysioCirculat ory.html