Topics: Cells & Body Systems Quiz
Muscle that moves up and down to expand the lungs. This helps you breathe.
A. Lungs
B. Nose
C. Diaphragm
D. Trachea
Select your answer:
Topics:
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The Brain › ViewWhen we laugh eight different areas in our brain are in action.
A. TRUE
B. FALSE
Microbiology › View
An example of natural passive immunity would be
A. chickenpox infection, followed by lifelong immunity.
B. giving a person immune serum globulins to chickenpox virus after exposure to the disease.
C. chickenpox vaccine triggering extended immunity to chickenpox.
D. a fetus acquiring maternal IgG to the chickenpox virus across the placenta.