What does your body produce when its under stress ?

By how much can noradrenalin speed up the heart rate

How does vigorus affect the heart rate

What are receptors ?

What happens when you stop exercising vigorously?

What is your body made up of?

What is mitochondria?

What is the reaction for cell respiration ?

what do lysosomes do ?

What do ribosomes do ?

What is the largest internal organ ?

what does the liver do ?

What is metabolism

What does interdependent mean ?

What are enzymes

How many Enzymes in the human body ?

What is a catabolic reaction ?

what is a anabolic reaction?

What is diffusion ?