The medulla oblong at a controls the contraction and relaxation of the blank ,causing the lungs to inflate and deflate during breathing

bc blah

explanation:

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multiply it by 5 in order for you to understand i cant give an exact answer.

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.

i think this picture will you.