Answer:
It's related to the Thymus
Explanation:
Usually it starts there.
An infant's length will increase by 50 percent in the first year.
Hence option (d) is correct.
Infants grow about 25 cm throughout the first year, and height at age 5 is roughly twice the length at birth.
In general, length in normal-term infants increases by about 30% by 5 months and by > 50 percent by 12 months or 1 year.
Weight: An average of 13 ounces are gained every month, with the birthweight being doubled at around 4 to 5 months and tripled at one year.
Height: Most infants grow 10 inches in their first year, with an average monthly growth of slightly over 1/2 inch.
Hence, an infant's length will increase by 50 percent in the first year.
Learn more about Child development here brainly.com/question/13660403
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Not clear question type again
It's the white blood cells I think
