Amor por favor aclara tu pregunta principal.
The kidneys<span> are two bean-shaped organs that extract waste from blood, balance </span>body<span> fluids, form urine, and aid in other important functions of the </span>body<span>.</span>
Answer:
it takes the place of a noun
Explanation:
Answer:
Bones begin to harden
Explanation:
2nd trimester
The embryonic cartilage begins to harden into bone at anytime around the 2nd trimester. The embryonic cartilage undergoes endochondral ossification wherein the chondrocytes is slowly replaced by osteocytes with subsequent deposition of calcium and hydroxyapatite; therefore converting the cartilages into bones.
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