Demography is the study of birth and diseases and it shows the changes in human population. It’s to understand the dynamics of birth, aging of the human cycle.
Answer:
The nervous system can respond quickly to stimuli, through the use of action potentials and neurotransmitters. Responses to nervous system stimulation are typically quick but short lived. The endocrine system responds to stimulation by secreting hormones into the circulatory system that travel to the target tissue.
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I would be able to help if you had a picture of it up
Hernias are caused by a combination of muscle weakness and strain. Depending on its cause, a hernia can develop quickly or over a long period of time. some causes of muscle weakness would be like failure of the abdominal wall to close properly in the womb, which is a congenital defectagechronic coughingdamage from injury or surgery
