Exchange And Transports In Animals Flashcards
Why are artery walls thick
To with stand the sudden increase in pressure
Why do veins have valves
To stop the back flow of blood in between Betts of the heart
What do red blood cells contain and why
Haemoglobin
This binds the oxygen to the red blood cell so it can get transported to the muscles
What are the holes in red blood cells called
Red blood cells have a biconcave shape
What is aerobic respiration
You need oxygen for aerobic respiration
What is anaerobic respiration
You do not need oxygen
What way does blood flow
From the heart into the arteries these divide into capillaries hen the blood returns to the heart form the veins
What carriers oxygen
Red blood cells
What carries co2
Blood plasma
What do lymphocytes do
Produce cells called antibodies
What are the four chambers of the heart
Left atrium
Left ventricle
Right atrium
Right ventricle
What is the cardiac output
It is the volume of blood pushed out the aorta each minute
What is cellular respiration
Is a series of chemical reactions that release energy from glucose
