The physical barrier of the immune system is your body tissue and skin.
Answer:
Physical aspects include those things, which have non-living physical existence. They also influence the total surrounding from different angles. These aspects include natural resources like air, water, soil etc. ... Thus, physical aspects of environment influence the population and health.
Explanation:
Answer: an emergency that requires medical attention
Explanation:
Answer:
i think it would be 42%, not sure..
