Human Anatomy and Nutrition Quiz
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Questions and Answers

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

  • Filtering out smoke
  • Increasing surface area for gas exchange (correct)
  • Contracting during breathing
  • Storing blood

    • Exhalation occurs when the rib muscles contract and move the ribs upwards.

    False

    What happens to the diaphragm and lung volume during inhalation?

    The diaphragm contracts and moves downwards, causing the lung volume to increase.

    The harmful gas produced by cigarette smoke that can stop red blood cells from carrying oxygen is called __________.

    <p>Carbon Monoxide</p> Signup and view all the answers

    Match the respiratory process with its description:

    <p>Inhalation = Diaphragm contracts and chest volume increases Exhalation = Diaphragm relaxes and chest volume decreases Ventilation = Flow of air in and out of the lungs Stomata = Pores on the surface of leaves for gas exchange</p> Signup and view all the answers

    What is the primary function of the small intestine?

    <p>Nutrient absorption</p> Signup and view all the answers

    The oesophagus is responsible for the absorption of nutrients.

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

    What deficiency disease results from a lack of Vitamin D?

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

    The tube that transports food from the mouth to the stomach is called the __________.

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

    Match the following nutrients with their corresponding functions:

    <p>Carbohydrates = Energy Protein = Growth &amp; Repair Vitamins = Healthy growth Fibre = Digestion</p> Signup and view all the answers

    Which of the following factors does NOT affect an individual's energy needs?

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

    Too much fat in the diet can lead to heart disease.

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

    What is the role of water in the diet?

    <p>Needed for many bodily functions</p> Signup and view all the answers

    The __________ absorbs water from undigested food and forms solid waste.

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

    Which of the following is a consequence of protein deficiency?

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

    What is the main function of the oesophagus?

    <p>It transports food from the mouth to the stomach.</p> Signup and view all the answers

    The small intestine is responsible for the absorption of nutrients into the bloodstream.

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

    What produces saliva?

    <p>Salivary glands</p> Signup and view all the answers

    The ______ removes water from food that cannot be digested.

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

    Match the digestive system parts with their functions:

    <p>Mouth = Ingestion of food Stomach = Digestion with acid Rectum = Storage of stool Anus = Excretion of stool</p> Signup and view all the answers

    Which nutrient is NOT mentioned as being digested in the small intestine?

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

    The stomach uses peristalsis to digest food.

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

    What is produced during aerobic respiration?

    <p>Water, carbon dioxide, and energy</p> Signup and view all the answers

    What increases the surface area in the small intestine?

    <p>Micro villi</p> Signup and view all the answers

    Anaerobic respiration occurs only in muscles and does not require oxygen.

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

    The anus is where ______ is excreted from the body.

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

    Match the digestive juices with their functions:

    <p>Saliva = Lubricates food Hydrochloric acid = Aids in digestion in the stomach Juices in the small intestine = Digests and absorbs nutrients Water in the large intestine = Removes liquid from indigestible food</p> Signup and view all the answers

    What is the role of the diaphragm in human respiration?

    <p>The diaphragm contracts and moves downwards to increase chest volume and draw air into the lungs.</p> Signup and view all the answers

    The process of gas exchange in the lungs occurs in the ______.

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

    Match the type of organism with its gas exchange method:

    <p>Fish = Gills Mammals = Lungs Frogs = Skin Plants = Stomata</p> Signup and view all the answers

    Which of the following statements is true regarding CO₂ indicators?

    <p>Limewater turns cloudy when reacted with CO₂</p> Signup and view all the answers

    Breathing decreases the pressure in the lungs, causing air to flow in.

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

    What harmful substance found in smoke can reduce lung function?

    <p>Carbon monoxide</p> Signup and view all the answers

    During anaerobic respiration in yeast, glucose is converted into ______ and ethanol.

    <p>lactic acid</p> Signup and view all the answers

    What happens to the rib muscles during inhalation?

    <p>They contract and ribs move up and outwards</p> Signup and view all the answers

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