Answer:
the answer is Bioavailability
Explanation:
Enzymes are biological molecules (typically proteins) that significantly speed up the rate of virtually all of the chemical reactions that take place within cells. They are vital for life and serve a wide range of important functions in the body, such as aiding in digestion and metabolism.
cars put pollution in the air and it harms our lungs same with smoking
mark brainliest;)
Neurological - by nerves
Endocrinological - by blood and secrets
