Movement of the body is accomplished directly by the actions of which of these organ systems?

muscular

skeletal

nervous

integumentary

Which of the following is not considered an appendage of the skin? nails glands follicles none of the above

Nerve cells are specialized to respond to stimulitrue or false?

Vaccines are weakened forms of disease causing microorganisms, which are given to patients to prevent disease. after the vaccine is administered, the immune system responds by creating a(n) to recognize the a.) antibody, antibiotic b.) antigen, antibody c.)antibiotic, antibody d.)antibody, antigen