Sophia - Human Biology - Unit 2 Challenge 1

1 — Bone Structure and Growth Understand the structure of bone as well as how bones grow. Children tend to have more __________ bone marrow, most of which becomes __________ bone marrow as they become adults. • a.) yellow; red • b.) calcified; fatty • c.) fatty; calcified • d.) red; yellow 2 — Homeostasis and Bone Remodeling Determine how and why bones undergo remodeling. Which of the following is released by the brain when too much calcium is in the blood? • a.) Parathyroid hormone (PTH) • b.) Osteoclasts • c.) Osteoblasts • d.) Calcitonin 3 — Skeleton Understand the basic makeup of the skeleton. How many pairs of ribs are in the human skeleton? • a.) 8 • b.) Varies from person to person • c.) 12 • d.) 16 4 — Joints Identify different types of joints and the movement they allow. What kind of joint is found in the human elbow? • a.) Suture • b.) Cartilaginous • c.) Synovial