英文作答,关于cellKevin is a healthy boy and a lot of cells are worn out and rubbed off from his skin every day.Explain why his skin can still function well.
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![英文作答,关于cellKevin is a healthy boy and a lot of cells are worn out and rubbed off from his skin every day.Explain why his skin can still function well.](/uploads/image/z/9538769-65-9.jpg?t=%E8%8B%B1%E6%96%87%E4%BD%9C%E7%AD%94%2C%E5%85%B3%E4%BA%8EcellKevin+is+a+healthy+boy+and+a+lot+of+cells+are+worn+out+and+rubbed+off+from+his+skin+every+day.Explain+why+his+skin+can+still+function+well.)
英文作答,关于cellKevin is a healthy boy and a lot of cells are worn out and rubbed off from his skin every day.Explain why his skin can still function well.
英文作答,关于cell
Kevin is a healthy boy and a lot of cells are worn out and rubbed off from his skin every day.Explain why his skin can still function well.
英文作答,关于cellKevin is a healthy boy and a lot of cells are worn out and rubbed off from his skin every day.Explain why his skin can still function well.
Because when a lot of cells worn out,more new cells grow to form new skin and continue the function.It's a normal phenomenon that some of cells of a healthy person die every.It doern't indicate that person is ill,and it's decided and controled by gene.
because the cell can regeneate to replace the dead cell