Human Anatomy Basics
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Questions and Answers

What is the largest bone in the human body?

  • Ulna
  • Femur (correct)
  • Humerus
  • Tibia
  • Which part of the brain coordinates muscle movements and balance?

  • Cerebrum
  • Medulla
  • Cerebellum (correct)
  • Pons
  • What is the primary function of the alveoli in the lungs?

  • Regulation of breathing
  • Exchange of oxygen and carbon dioxide (correct)
  • Production of mucus
  • Filtration of air
  • What is the functional unit of the kidney?

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

    Which artery supplies blood to the heart muscle?

    <p>Coronary artery</p> Signup and view all the answers

    What hormone regulates the body's metabolic rate?

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

    What is the primary function of red blood cells?

    <p>Transporting oxygen</p> Signup and view all the answers

    Which part of the nervous system is responsible for the 'fight or flight' response?

    <p>Sympathetic nervous system</p> Signup and view all the answers

    Which of the following bones is located in the upper arm?

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

    Which part of the brain is responsible for controlling involuntary actions, such as breathing and heart rate?

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

    What is the primary function of the walls of the alveoli?

    <p>To exchange oxygen and carbon dioxide</p> Signup and view all the answers

    What is the main function of the nephrons in the kidney?

    <p>To filter the blood</p> Signup and view all the answers

    Which artery branches off the aorta to supply blood to the heart muscle?

    <p>Coronary artery</p> Signup and view all the answers

    What is the primary effect of thyroxine on the body?

    <p>To increase metabolic rate</p> Signup and view all the answers

    What is the primary function of white blood cells?

    <p>To fight infections</p> Signup and view all the answers

    What is the most common way that carbon dioxide is transported in the blood?

    <p>As bicarbonate ions</p> Signup and view all the answers

    What is the term for the normal, resting state of the heart rate?

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

    Which part of the nervous system is responsible for the 'rest and digest' response?

    <p>Parasympathetic nervous system</p> Signup and view all the answers

    Study Notes

    Skeletal System

    • The largest bone in the human body is the femur.

    Nervous System

    • The cerebellum is responsible for coordinating muscle movements and balance.
    • The sympathetic nervous system is responsible for the 'fight or flight' response.

    Respiratory System

    • The main function of alveoli in the lungs is to facilitate the exchange of oxygen and carbon dioxide.

    Urinary System

    • The nephron is the functional unit of the kidney.

    Circulatory System

    • The coronary artery supplies blood to the heart muscle.
    • The majority of carbon dioxide is transported in the blood as bicarbonate ions.
    • A normal resting heart rate for adults is between 60-100 beats per minute.

    Endocrine System

    • Thyroxine regulates the body's metabolic rate.

    Blood

    • The primary function of red blood cells is to transport oxygen.
    • Carbon dioxide is transported in the blood as bicarbonate ions, dissolved in plasma, and bound to haemoglobin.

    Skeletal System

    • The largest bone in the human body is the femur.

    Nervous System

    • The cerebellum is responsible for coordinating muscle movements and balance.
    • The sympathetic nervous system is responsible for the 'fight or flight' response.

    Respiratory System

    • The main function of alveoli in the lungs is to facilitate the exchange of oxygen and carbon dioxide.

    Urinary System

    • The nephron is the functional unit of the kidney.

    Circulatory System

    • The coronary artery supplies blood to the heart muscle.
    • The majority of carbon dioxide is transported in the blood as bicarbonate ions.
    • A normal resting heart rate for adults is between 60-100 beats per minute.

    Endocrine System

    • Thyroxine regulates the body's metabolic rate.

    Blood

    • The primary function of red blood cells is to transport oxygen.
    • Carbon dioxide is transported in the blood as bicarbonate ions, dissolved in plasma, and bound to haemoglobin.

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