Circulatory System
What do you know about the human circulatory system?
Circulatory Systems of mammals Components of blood Vessels that transport blood Heart
Chapter 6: pp Nature of Biology Book One Need to maintain a Glossary of terms Found in the Glossary link -
Look at systems used in mammals for transporting: Oxygen Carbon Dioxide Water Nutrients Other materials
AMo&feature=related AMo&feature=related Basic overview of the circulatory system
Transports materials to and from cells in mammals Consists of: Blood vessels – vessels blood is transported through Heart – muscular pump keeps blood moving
Blood is substance transported throughout circulatory system and takes material to and from the cells Made up of: Fluid part – Plasma Cells suspended in fluid
Plasma – makes up 55% of blood 90% water 10% various compounds and molecules dissolved in water part Fill out table on Components of Plasma in Notes Link
Three different kinds of cells in blood Red Blood Cells – Erythrocyotes White Blood Cells – Leuocytes Platelets Fill out the table on blood cells in the Notes Link
Red Blood cells – contain haemoglobin White Blood cells – general function to combat infection Platelets – specialised fragments of larger cells, play important role in clotting. Don’t forget Glossary terms
sKZWqsUpw sKZWqsUpw On Blood
Transport in three different kinds of blood vessels Arteries Capillaries Veins Read pp.134 – 136 and fill out Glossary terms
On the Heart dk0 dk0