an Antibody!
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Answer:
Cellular respiration
Explanation:
Respiration is the process by which energy is made. Aerobic respiration requires oxygen.
All the other processes listed do not require oxygen to.
Answer:
Renal cortex
Explanation:
The renal medulla of a kidney is surrounded by renal cortex. The renal cortex is the granulated layer. It is the renal cortex in which the renal corpuscle (glomerulus and Bowman's capsule) are present. The renal cortex is reddish brown in color. This is due to the fact that most of the renal arteries deliver the blood to the cortex.