How is the kidney involved with normal bone ossification and development?
a. Growth hormone is produced by the kidneys.
b. The kidney produces calcitriol.
c. Growth factors from the kidney direct the growth the epiphyseal cartilage plate in the bone.
d. Osteoblasts migrate from the kidney into the bone.
e. Injury to bone triggers a response in the kidney, which makes more rennin hormone.
Answer: b. The kidney produces calcitriol.
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