Please enable JavaScript.
Coggle requires JavaScript to display documents.
CIRCULATORY SYSTEM - Coggle Diagram
CIRCULATORY SYSTEM
blood vessels
what makes up blood?
Red blood cell
contain hemoglobin so can transport oxygen
transport substance around body
white blood cells
defense system in blood
kills bacteria
platelets
help blood clot
a fragment of cells
plasma
liquid part of blood
contain digested food, hormones, waste product, Urea
defends against disease
Artery
Aorta –largest artery
Arterioles –smallest artery
carries blood away from heart
structure
elastic walls- to stretch under pressure
thick muscles- contract to push blood
veins
carry blood back to the heart
have valves
structure
thin muscle and elastic fibres
body muscle surround the veins
when contract muscles squeeze veins and push blood along
capillaries
link Arteries with Veins
exchange materials between blood and cells
wall only one cell thick
valves of heart
separate the chambers of heart
make sure blood flows the correct direction
connected by tendons
help open and close the valve
transport of blood
types of blood
oxygen rich blood
high O2, low CO2
travel to cells
blood picked up oxygen from lungs
oxygen poor blood
low O2, high CO2
travel away from cells
blood pick up carbon dioxide from body cells
Heart
pump blood around body
structure of heart
right
store and pump oxygen rich blood
receive oxygen rich blood from the lungs
pump blood to whole body so cells and receive oxygen
2 parts
right atria(upper chamber)
collect blood that enter the heart
right ventricle (lower chambers)
pump blood outside heart
left
store and pump oxygen poor blood
receive oxygen poor blood from body cells
pump blood to lungs so carbon dioxide can be respirate out
2 parts
left atria(upper chamber)
collect blood that enter the heart
left ventricle (lower chambers)
pump blood outside heart
exterior
special muscle that pump blood nonstop
blood vessels
