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Health, 23.06.2019 00:30
Astage in life where you begin to develop more adult-like characteristics is called
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Health, 23.06.2019 06:30
Check all that occur during ventricular systole. a. the av valves open to allow blood to enter the ventricles from the atria. b. the av valves open to allow blood to enter the ventricles from the atria. c. the semilunar valves remain closed throughout systole to prevent backflow of blood into the ventricles. d. the semilunar valves remain closed throughout systole to prevent backflow of blood into the ventricles. e. the semilunar valves open to allow blood to flow into the large arteries. f. the semilunar valves open to allow blood to flow into the large arteries. g. the av valves close to prevent backflow of blood into the atria.
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Health, 23.06.2019 21:30
Teenagers and children need sleep. teens need at-least 8-9 hours of sleep. kids need at-least 10-11 hours of sleep depending on what time they go to sleep. sleep is very important for anyone of any age. read more on -
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Write your own nursery rhyme...
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