"The sympathetic branch of the autonomic nervous system control

A) Bodily changes in response to emergency or stressful events
B) Mechanisms of tolerance and dependence
C) Voluntary reaction of skeletal muscles
D) The midbrain and the hindbrain"

How do antiviral drugs work? in your own words.

What is the difference between the conducting zone and the respiratory zone of the respiratory system? the conducting zone is a series of cavities and tubes that move air to the respiratory zone where gases exchange with the bloodstream. the conducting zone exchanges gases between the lungs and the alveoli and the respiratory zone is a series of cavities and tubes that move air to the conducting zone. the conducting zone moves oxygen into the cells and the respiratory zone takes carbon dioxide away from the cells. the conducting zone moves oxygen into the bloodstream and the respiratory zone takes carbon dioxide away from the bloodstream.

Describe the relationship and movement between temperature and density in a convection cell. make sure you identify the direction of travel