C) a system is a set of parts that function together as a whole
The answer is C because the load shouldnt be greater than the effort, it isnt usually, but my best answer to you would be C
The dendrites are covered with synapses formed by the ends of axons from other neurons. ... When neurons receive or send messages, they transmit electrical impulses along their axons, which can range in length from a tiny fraction of an inch (or centimeter) to three feet (about one meter) or more.
Answer: All of these aswers would be correct
Explanation:
Cells are the basic units of structure and function in living things, all cells are produced from other cells, all living things are composed of cells.