[问答题]
Below is a diagram of a motor neuron. Neurons are the long ogonea-enwpd;.0+c -iya7x, est cellsnjtr hf21b eco8195u+cw m2n f in the human body.8m+1brft5c n2oj f1 9ehw u2cn 1.Explain the factors that limit cell size in humans.
2.Explain how life functions are performed by Paramecium.
