I believe the answer is (a) variability
You give up some thing that you wanted but you get something back in return
Answer:
The ovaries are two oval-shaped organs that lie to the upper right and left of the uterus. They produce, store, and release eggs into the fallopian tubes in the process called ovulation
Explanation:
Answer: Myelinated Motor Neuron Structure (answer would be a neuron)
Explanation:
https://alevelbiology.co.uk/notes/myelinated-motor-neurons/#:~:text=When%20the%20axon%20is%20covered,in%20faster%20nerve%20impulse%20conduction.
That's a good website to read about the myelinated motor neuron structure