How does Oxygen travel inside the Human Body?

In which form carbohydrate is stored inside the human body?

Name the red pigment in blood which carries oxygen in the human body ?

Name one plant and the addictive drug extracted from its latex. How does this drug affect the human body?

Name an opioid drug and its source plant. How does the drug affect the human body?

Name an opiod drug and its source plant. How does the drug affect the human body?

How do nerve impulses travel in the body ? Explain.

How many bones are present in the human body ?

How does oxygen reach water? How is the oxygen content of a sample of water measured ?

Where is the location of both kidneys inside the human body ?