Runo has to have part of his bone tested by his doctor. The doctor explains that they will place a needle into the innermost part of the bone to draw out a thick jelly-like substance. What layer of the bone is MOST likely being tested in this process? Question 20 options:

A. bone marrow

B. periosteum

C. cancellous bone

D. compact bone

Who is your kpop bias in bts ? ? why

Amy gained cardiovascular health benefits from running consistently over the past year. now she runs inconsistently and has lost some of those health benefits. this principle is known as?

As you sit in the library with your friend studying for your weekly quiz on the integumentary system, you come upon an article about the hazards of prolonged exposure to the sun's rays. your curious nature leads you to research the subject further. you're fascinated to learn that minimal exposure to the sun allows you skin to manufacture vitamin d, which is important to maintain homeostasis. you also read that although sunscreen can protect you from the ultraviolet (uv) rays of the sun, some medications can actually increase a person's sensitivity to the sunlight.