The digestive and respiratory tracts include the pharynx. The pharynx is found at the back part of the throat and is connected to the mouth and the nasal cavity. It then extends to connect into the esophagus and larynx. The pharynx serves as passageway for air during respiration and food for digestion.
Some factors could be:
weather
ressources
False,your respiratory muscle expand each time when you exhale.
Answer:
SIV or Simian immunodeficiency virus
Explanation:
It causes a disease in monkeys similar to AIDS and is closely related to HIV-2 of humans.
This would be called--Visual.
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