Answers: 1
Biology, 22.06.2019 10:00, nyasiasaunders1234
Veins have a much lower blood pressure than arteries. which of these prevents backflow of blood in veins? a. pressure applied by the heart b. one–way valves in veins c. thin muscular walls of veins
Answers: 2
in a Climax Community, a "stable group of plants is the end result of the succession process." Expla...
Chemistry, 02.08.2019 14:30
Chemistry, 02.08.2019 14:30