circulatory system
- Created by: neil mcconnell
- Created on: 08-01-13 21:57
View mindmap
- The Cicrulatory System
- Heart
- Double Circulation
- Blood flows through heart twice in one circuit of body. Right side pumps to lungs - Left side to rest of body.
- 4 Chambers
- Right Atrium, Right Ventricle, Left Atrium, Left Ventricle
- Double Circulation
- Blood Vessels
- Arteries
- Carry blood away from heart, blood under high pressure, thick walls, oxygenated blood
- Veins
- Carry blood into heart, have valves to prevent backflow, thin walls, deoxygenated blood
- Capillaries
- thin walls - only one cell thick, permeable, allows for diffusion of materials into and out of them
- Arteries
- Blood
- White Blood Cells
- Fight against disease
- Red Blood Cells
- Transport O2
- Platelets
- Cause blood to clot
- Plasma
- liquid part -transports digested food, CO2, hormones, urea.
- White Blood Cells
- Heart Disease
- Heart Attack
- blockage of coronary artery - less O2 and glucose to heart muscle so unable to respire and die
- Stroke
- Blockage of artery to brain - less O2 and glucose to brain cells so unable to respire and die
- Heart Attack
- Heart
Comments
No comments have yet been made