Photosynthesis and cellular respiration are two processes involved in the

a. carbon cycle

b. nitrogen and water cycle

c. carbon and oxygen cycles

the answer is c.mitochondria. glad to .

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.  

answer/// to address the needs of adults with mental illness and increase their ability to function;