[问答题]
Below is a diagram of a motor neuron. Neurownp*039 b0dk 9t dzwz8qnbp)ens arek4h.t-*9utz 7qcfs sfh4vou ( the longest cells in the humanhk s v*t-uzf.7o h4fq4st u9(c body.
1.Explain the factors that limit cell size in humans.
2.Explain how life functions are performed by Paramecium.
