To function properly a neuron must maintain a a- membrane potential b- neurotransmitter c. negative charge on the inside d. positive charge on the inside i believe its is that correct?

Efficiency is the percent of work put into a machine by the user (input work) that becomes work done by the machine (output work)

How can an organ, such as the lungs, work for multiple body systems?

19. a cell is viewed under a microscope and is found to have two nuclear envelopes and spindles that appear to be breaking apart. which phase of mitosis is the cell most likely in? a. metaphase b. prophase c. telophase d. anaphase