Give an explanation to Leah and her family on how vaccines work to help the immune system develop an immunity to a specific pathogen. Describe in detail this process being sure to include pathogens, antigens, antibodies, T cells, and B cells.

Summarize four pregnancy-prevention methods. discuss the benefits effectiveness and risks of each

You which of the following statements is true? muscle tremors are an early symptoms of alzheimer's disease. type 2 diabetes is hereditary and cannot be prevented. certain medications can cure als and parkinson's disease. exercise is a natural way to relieve pain and stress.

For a break to relieve stress, it needs to be at least half an hour. true or false