What is respirtion?
Respiration is the chemical reaction of glucose and oxygen in each of the cells in your body.
What is generated in aerobic respiration?
Heat.
Why is the blood important in respiration?
Because it carries the oxygen round the body from the lungs.
What is the waste product in respitration?
Carbon dioxide and water.
What happens when you excersise?
Your heart and lungs have to work harder to get glucose and oxygen into each of the cells of the body.
Which organ system is the heart part of?
The circulatory system
List two functions of the circulatory system.
It helps pump the blood around the body.
Helps the oxygen flow into the body.
Which fells do not contain a nucleus?
Red blood cells
What are the red blood cells function?
They carry oxygen around the body.
What are the white blood cells?
They kill diseases and microbes and are part of the immune system.
The blood passes through our body in a system called the circulatory system. We have a double circulatory system. Why is it called this and what are the two pathways that blood takes?
This is because it passes through the heart twice in the process.
Explain how a high number of red blood cells helps an athlete during a race.
So more oxygen can be carried to the muscles.
What is the substance that helps the red blood cells carry oxygen?
The hemoglobin
Which part of the body carries glucose?
Plasma
Name a substance carried by the plasma around the body.
Minerals