Body Pressure and the Skeletal System

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Questions and Answers

What is the function of the skeletal system in the body?

  • To aid in digestion, absorb nutrients, and eliminate waste
  • To generate heat, regulate body temperature, and produce hormones
  • To facilitate nerve transmission and control body movements
  • To provide support, allow movement, make blood cells, provide organ protection, and store minerals (correct)

Why are the highest pressures in the body found in weight-bearing bones and joints?

  • Because weight-bearing bones have a higher density compared to other bones
  • As a result of high levels of calcium and phosphorus in these bones
  • Because weight-bearing bones have more nerve endings
  • Due to high values of initial force and small areas to which this force is applied (correct)

How does the surface area of a bone at the joint contribute to pressure reduction?

  • By enhancing blood circulation around the joint
  • By distributing the force and reducing the pressure according to the equation P= F/A (correct)
  • By increasing the density of the bone tissue
  • By promoting nerve signal transmission in the joint

How do finger bones reduce pressure on tissues over the bones?

<p>By being flat and spreading force over a larger surface area (D)</p> Signup and view all the answers

What can happen when a person lifts an object improperly with regard to spinal pressure?

<p>A force of 5000 N may be created between vertebrae in the spine, which can damage spinal discs and bony vertebrae due to high pressure (A)</p> Signup and view all the answers

What is the function of the skeletal system in the body?

<p>Provides protection for organs and stores minerals (C)</p> Signup and view all the answers

How does the surface area of a bone at the joint contribute to pressure reduction?

<p>It distributes the force, reducing the pressure (C)</p> Signup and view all the answers

What happens when a person lifts an object improperly with regard to spinal pressure?

<p>The pressure created can damage both the spinal discs and the bony vertebrae (C)</p> Signup and view all the answers

Why do finger bones reduce pressure on tissues over the bones?

<p>The flat shape spreads force over a larger surface area (A)</p> Signup and view all the answers

What contributes to the highest pressures in weight-bearing bones and joints?

<p>High values of initial force and small areas of force application (C)</p> Signup and view all the answers

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