A nerve impulse is a way nerve cells (neurons) communicate with one another. Nerve impulses are mostly electrical signals along the dendrites to produce a nerve impulse or action potential. The action potential is the result of ions moving in and out of the cell.
A nerve impulse travels from the dendritic end towards the axonal end. The chemicals released from the axonal end of one neuron cross the synapse and generate a similar electrical impulse in a dendrite of another neuron. A neuron transmits electrical impulses not only to another neuron but also to muscle and gland cells.
Explanation:
1 Formal demography limits its object of study to the measurement of population processes,
2 it refers to events as birth, death, migration, marriage and divorce
3 it studies only numerical data and human population
4 Formal demography is older approach to study population
1 Social demography deals with questions of population composition and change and how they interact with sociological variables at the individual and contextual levels
2 Social demography is analytical, statistical and quantitative study of human population
3 It studies both numerical data and social traits of human population.
4 social demography is newer approach to study population
Answer:
eat less, exercise, take a great poop
