Human Physiology Systems
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Questions and Answers

What system is primarily responsible for generating heat through shivering to maintain body temperature?

  • Circulatory system
  • Respiratory system
  • Lymphatic system
  • Muscular system (correct)

    • During exercise, what primarily stimulates the increase in the rate and depth of breathing?

  • Increased blood pressure
  • Increased oxygen levels in the blood
  • Increased heart rate
  • Decreased blood carbon dioxide levels (correct)

    • What is the effect of kidney failure on the excretory system?

  • Impairs the kidneys' ability to filter waste products from the bloodstream (correct)
  • Increases the removal of metabolic wastes from the body
  • Decreases blood pH levels
  • Enhances the kidneys' ability to filter waste products from the bloodstream

    • What is the primary function of the urinary system in the body?

    <p>Regulation of blood pressure, blood pH, and removal of metabolic wastes</p> Signup and view all the answers

    What is the role of the circulatory system in a marathon race under scorching temperatures?

    <p>Transportation of oxygen to sustain muscle function</p> Signup and view all the answers

    What is the typical range for an average adult human's resting heart rate?

    <p>60-80 beats per minute</p> Signup and view all the answers

    What is the main function of the nervous system?

    <p>Coordination of voluntary and involuntary actions</p> Signup and view all the answers

    What is the function of amylase in the digestive system?

    <p>Breaking down carbohydrates</p> Signup and view all the answers

    What happens when parathyroid hormone (PTH) is released?

    <p>Blood calcium levels increase</p> Signup and view all the answers

    What is the primary function of the digestive system?

    <p>Breaking down food and absorbing nutrients</p> Signup and view all the answers

    What is the role of the gallbladder in digestion?

    <p>Emulsifying fats to aid in digestion and absorption</p> Signup and view all the answers

    What is the function of melatonin produced by the pineal gland?

    <p>Regulating sleep-wake cycles</p> Signup and view all the answers

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