Sam is a 2-year-old whose parents are worried that he isn't growing quickly enough. his pediatrician will most likely check:

The doctor will most likely check the functioning of the pituitary gland of Sam. The pituitary gland is responsible for the secretion of the growth hormone. The anterior lobe of the pituitary gland secretes the growth hormone which helps a person in his growth. Sam is not growing as well as he should. This might mean that there is something wrong with the function of the pituitary gland.

Hence, the answer is 'functioning of the pituitary gland'.

the correct answer: the index of refraction of the second medium is lower i tried this persons answer and it was wrong this person is lying

he is very short, and he can only reach halfway up on the elevator buttons. but on a rainy day, he has his umbrella with him, and he uses it to poke the button at the top.