BIOL 1011 Chapter Notes - Chapter 23: Dialysis, Artificial Cardiac Pacemaker, Endocrine Disease
Document Summary
Circulatory systems facilitate exchange with body tissues. Diffusion carries materials short distancesneed internal transport system. Animals with many layers of cells need a circulatory systemhas the heart, a. Open circulatory system muscular pump, circulatory fluid and vessels. When the heart relaxed, fluid enters pores which have valves (close when fluid pumped through open-ended vessels and flows among tissues interstitial and circulatory fluid not distinct. In a grasshopper, the heart pumps and drives the body fluid to the body body movements help circulator fluid heart contracts to stop backflow) Circulatory fluid ( blood ) kept in vessels which keeps its separate from the. 3 types of vessels: arteries- , veins- , capillaries- . Bring blood between arteries and veins within tissues. Cardiovascular system - vertebrate circulatory system very extense. After going through capillaries in gills, the blood is now. Capillaries have thin walls to allow chemical exchange between.
