Bones, muscles and joints：练习题

Which part of a long bone contains the red bone marrow responsible for blood cell production?

A student investigates the dietary factors required for the healthy development of muscle and bone. Which row in the table correctly identifies a nutrient and its specific role?

During the movement of the arm, how do the triceps and ulna interact when the arm is being straightened (extended)?

Which part of a synovial joint is responsible for secreting a fluid that acts as a lubricant to reduce friction between the bones?

Which of the following correctly describes the location and characteristic of spongy bone and compact bone within a typical long bone?

A deficiency in which specific vitamin can lead to inadequate calcium absorption in the gut, subsequently weakening the bones and increasing the risk of rickets?

Explain the primary physiological cause of osteoporosis in post-menopausal women and how reduced estrogen levels impact bone mineral density and osteoclast activity.

Which component of a synovial joint is responsible for secreting synovial fluid and reducing friction between the moving bone ends?

Explain how a deficiency in calcium and vitamin D during early development affects the skeleton, and discuss how this relates to the later onset of osteoporosis in older adults.

Compare the range of movement permitted by the shoulder joint, the elbow joint, and a cartilaginous intervertebral joint. Relate the structural features of each joint type to the specific type of movement they allow or restrict.