Human Respiratory System
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Questions and Answers

What is the primary function of the spleen in the human body?

  • To store excess energy
  • To regulate body temperature
  • To produce red blood cells
  • To filter out toxins in the blood (correct)
  • What is the main function of the cerebellum in the brain?

  • To control thought and senses
  • To control motor functions (correct)
  • To regulate body temperature
  • To store memories
  • Which of the following bones is NOT responsible for generating new blood cells?

  • Sternum (correct)
  • Vertebrae
  • Femur
  • Cranium
  • What is the primary function of the hypothalamus in the endocrine system?

    <p>To control growth and development</p> Signup and view all the answers

    Which of the following systems works with the skeletal and nervous system to provide movement?

    <p>Muscular system</p> Signup and view all the answers

    What is the primary function of the calcium in bones?

    <p>To provide strength</p> Signup and view all the answers

    What is the primary function of the diaphragm in the human body?

    <p>Enabling breathing by expanding and contracting the chest cavity</p> Signup and view all the answers

    Where does the exchange of gases with the blood occur in the respiratory system?

    <p>In the capillaries surrounding the alveoli</p> Signup and view all the answers

    What is the main function of the heart in the circulatory system?

    <p>To pump deoxygenated blood into the lungs and oxygenated blood to the rest of the body</p> Signup and view all the answers

    What is the main function of red blood cells in the circulatory system?

    <p>To carry oxygen from the lungs to the various cells and organ systems</p> Signup and view all the answers

    What is the primary function of veins in the circulatory system?

    <p>To carry deoxygenated blood away from the major organs and back to the heart</p> Signup and view all the answers

    What is the function of platelets in the circulatory system?

    <p>To help in blood clotting</p> Signup and view all the answers

    What type of muscle cells are found in the human body?

    <p>Fibrous</p> Signup and view all the answers

    Which of the following organs is NOT primarily responsible for removing infectious diseases and pathogens from the human body?

    <p>Heart</p> Signup and view all the answers

    What type of white blood cells recognize disease agents and create antibodies to tag and remove them?

    <p>Lymphocytes</p> Signup and view all the answers

    Which muscle group is responsible for movement and circulation of blood in the human body?

    <p>Deltoids and muscles involved in blood circulation</p> Signup and view all the answers

    What is the primary function of the lymph nodes in the immune system?

    <p>To restore fluid lost by the blood and return it to the circulatory system</p> Signup and view all the answers

    What is the purpose of the bronchioles in the respiratory system?

    <p>To further subdivide into tiny air sacs</p> Signup and view all the answers

    What is the primary function of arteries in the circulatory system?

    <p>To carry blood away from the heart and to the major organs</p> Signup and view all the answers

    Where do the capillaries surround in the respiratory system?

    <p>Each alveolus</p> Signup and view all the answers

    What is the function of the four chambers in the heart?

    <p>To pump deoxygenated blood into the lungs and oxygenated blood to the rest of the body</p> Signup and view all the answers

    What is the function of hemoglobin in red blood cells?

    <p>To carry oxygen</p> Signup and view all the answers

    What is the primary function of the diaphragm in the human body?

    <p>To cause breathing</p> Signup and view all the answers

    What is the primary function of the brain in the nervous system?

    <p>to control the body's response to changes in its internal and external environment</p> Signup and view all the answers

    Which of the following is responsible for sending instructions from the brain to the rest of the body?

    <p>Spinal Cord</p> Signup and view all the answers

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

    <p>to provide structure and support</p> Signup and view all the answers

    Which of the following bones is responsible for generating new blood cells?

    <p>All bones</p> Signup and view all the answers

    What is the primary function of the nerves in the nervous system?

    <p>to conduct impulses to muscle cells</p> Signup and view all the answers

    What is the primary function of the pituitary gland in the endocrine system?

    <p>to produce and secrete hormones</p> Signup and view all the answers

    What is the primary function of the kidneys in the excretory system?

    <p>To filter out urea, excess water, and other waste products</p> Signup and view all the answers

    Which part of the digestive system is responsible for absorbing nutrients into the bloodstream?

    <p>Small intestine</p> Signup and view all the answers

    What is the primary function of the lungs in the respiratory system?

    <p>To provide a fresh supply of oxygen and remove carbon dioxide</p> Signup and view all the answers

    Which organ is responsible for expelling waste gas from the body?

    <p>Lungs</p> Signup and view all the answers

    What is the primary function of the rectum in the digestive system?

    <p>To store solid waste until it is eliminated</p> Signup and view all the answers

    Which organ is responsible for regulating the removal of excess water and salts from the body?

    <p>Kidneys</p> Signup and view all the answers

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