PLEASE 30 POINTS!!
How does your respiratory system help fight disease?

The human respiratory system provides oxygen to each and every body cell, filters out agents that are infectious, provides air that is required for speech and removes body wastes.

diseases of the respiratory system are conditions that affect the tissues and organs which make exchange of gas possible in organisms.

meiosis is the first to occur after the nuclei of opposite of opposite mating types fuse

answer: 20 percent

the fish culture has become a developing commercial practice in developing countries which is already prominent in developed countries of the world. the major fish protein demand is being supplemented in developing countries is   fishing to meet the needs of the growing population. therefore, in some developing nations, the percentage of animal protein from fish in the diet can be as high as 20 percent.