Question

question 13 1 pts the ulna articulates proximally with the: carpal bones. humerus. scapula. none of the above is correct. question 14 1 pts small cells that synthesize and secrete a specialized organic matrix are osteoclasts. osteons. osteoblasts. osteocytes. question 15 1 pts during childbirth, a baby passes through an imaginary plane called the: pelvic outlet. symphysis pubis. pelvic brim. ilium.

Explanation:

• For Question 13: The ulna has proximal articulation with the humerus.
• For Question 14: Osteoblasts are responsible for synthesizing and secreting the organic - matrix of bone.
• For Question 15: During childbirth, the baby passes through the pelvic outlet, an imaginary plane.

Answer:

Question 13: B. humerus
Question 14: C. osteoblasts
Question 15: A. pelvic outlet