NCERT Solutions for Chapter: Locomotion and Movement, Exercise 3: SHORT ANSWER TYPE QUESTIONS

With respect to rib cage, explain floating ribs.

Exchange of calcium between bone and extracellular fluid takes place under the influence of certain hormones. What will happen if more of ${\mathrm{Ca}}^{++}$is in extracellular fluid?

Exchange of calcium between bone and extracellular fluid takes place under the influence of certain hormones. What will happen if very less amount of ${\mathrm{Ca}}^{++}$ is in the extracellular fluid?

Radha was running on a treadmill at a great speed for 15 minutes continuously. She stopped the treadmill and abruptly came out. For the next few minutes, she was breathing heavily/fast. What happened to her muscles when she did strenuous exercise?

Radha was running on a treadmill at a great speed for 15 minutes continuously. She stopped the treadmill and abruptly came out. For the next few minutes, she was breathing heavily/fast. How did her breathing rate change?

Write a few lines about Gout.

What is the source of energy for muscle contraction?

What are the points for the articulation of Pelvic and Pectoral girdles?