Did both sprigs of anacharis produce oxygen? which produced the most? what is demonstrated as necessary by this experiment for photosynthesis to occur? what factor affected the rate in which photosynthesis occurred?

answer; the tunica intima also called tunica interna, consists of elastic fibers,connective tissue and smooth muscle cells;

what is shown in the image?

eukaryote

chloroplast

mitochondrion

submitted

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; synapse; i believe this is correct,plz check first good luck;