The three types of blood vessels are the arteries, veins, and capillaries. true false

Apart of an ecosystem that can restrict the growth of a population is referred to as

The idea of spontaneous generation was disproved by in a experiment involving jars of meat

During an experiment, readings for blood pressure in a persons body were found to be constant . however , when he measured by a different blood pressure cuff , the readings differed by 15 points for each reading. this difference indicates that the results are