Bones grow and fuse and then they get weaker
Muscles become gradually weaker as time goes on
Nerves stop sending signals as efficiently
Reproductive system in females is unable to produce eggs for fertilization for babies in the older adulthood.
Answer:
Evaporation
Explanation:
When water boils it evaporates :)
Answer:
Stem cells are cells with the potential to develop into many different types of cells in the body. They serve as a repair system for the body. There are two main types of stem cells: embryonic stem cells and adult stem cells
Explanation:
Totipotent (or Omnipotent) Stem Cells.
Pluripotent Stem Cells.
Multipotent Stem Cells.
Oligopotent Stem Cells.
Unipotent Stem Cells.
The third choice im pretty sure
i hope this helps!!