Answer:
Xylem and phloem
Explanation:
Xylem and phloem (b) option is correct
Answer: G. thymosin and thymopoietin
Explanation:
The thymus produces and secretes thymosin, a hormone necessary for T cell development and production. The thymus is special in that, unlike most organs, it is at its largest in children. Once you reach puberty, the thymus starts to slowly shrink and become replaced by fat.
C. it cannot be created nor destroyed only transferred
<span>When there is no oxygen, or the organism cannot use oxygen for respiration.
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