Answer: c. Death
Explanation:
Apostosis which means program cell death is this occurs when the cell is partially damaged or when the a mutant DNA can not be repaired by DNA repair mechanism, cells undergo a this process called apostosis which prevent the cell from passing the defect DNA to daughter cells.
Differentiation and growth needs reshaping of organs, this could be done only when old cells are removed from the area. Removal of superfluous, aged or partial damaged cells is done by apostosis.
Answer:
The correct answer is "motor unit - motor neuron".
Explanation:
Motor unit and motor neuron are related terms, however they could not be used interchangeably because a motor unit is not comprised only of a motor neuron. A motor unit is made of a motor neuron, skeletal muscle fibers and neuron's axonal terminals. Therefore motor unit is a more broadly term, and is referred to the units that coordinate the contractions of single muscles.
None of the above i believe... if not it’s specialization
To defend themselves most likely.
The up and down arrows you carved into the spinal cord are meant to represent the movement of different nerve signals. These signals, which are slso called action potential, are coordinated movements of sodium and potassium ions that are psocessed across the nerve cell membranes