2. Use Models The reactants and products of cellular respiration involve three elements carbon, hydrogen, and oxygen. How do the reactions of cellular respiration transform each
of these elements? Cite evidence from your model to support your answer.
Carbon
Hydrogen
Oxygen

not: both offer magnification to the atomic level.

these muscles maintain the blood pressure in the vessels. the smooth muscles are innervated by nerves of the autonomic nervous system. when the muscles contract, they cause vasoconstriction of the vessels and increase blood pressure. when the muscles relax, they enable vasodilation of the   blood vessels hence reduce blood pressure.