Answer:
Sinus infections happen when fluid builds up in the air-filled pockets in the face (sinuses), which allows germs to grow. Viruses cause most sinus infections, but bacteria can cause some sinus infections.
Explanation:
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Not 100% sure but B sounds the most likely from what I've read...
Being physically active can help you sleep better help you feel better about yourself and greatly improve your confidence <span />
Endocrine gives the correspondence through hormones; secrete their hormones directly into the bloodstream and uses blood vessels as information channels. ... Theendocrine and integumentary systems correlate with the sense organs, which react to heat, cold, vibration, texture, and pressure.
