The correct answer is biological.
Biology deals with the inner workings of our body - so, if something is the result of hormones and other physiological processes, then it will definitely be related to biology. The other options have more to do with the environment, rather than with the body itself.
Answer:
don't know this answer is gone match or not but Principle of Homogeneity states that dimensions of each of the terms of a dimensional equation on both sides should be the same.
Regular exercise helps maintain a healthy respiratory system because it helps fight off diseases since one main part of the respiratory system is the nasal passages.
Dental hygienist, Occupational Therapist, Physical Therapists, Respiratory Therapists, Speech language pathologists, Dietitians.
High temperatures for e.g: (boiling ) or Strong cleaner .
