Respiration takes place when we inhale and exhale
Answer:
Explanation:
infectious diseases can spread in a variety of ways: through the air, from direct or indirect contact with another person, soiled objects, skin or mucous membrane, saliva, urine, blood and body secretions, through sexual contact, and through contaminated food and water.
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<span>The three sources of signals related to the regulation of cell growth and division are :
</span><span>a) Other Cells
b) Other Organs
c) Environmental Conditions</span>