Human Reproductive System
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Questions and Answers

What is the primary function of fats in the body?

  • To function as a component of digestive enzymes
  • To synthesize proteins and enzymes
  • To regulate body temperature
  • To build cell membranes, steroid hormones, and other cellular structures (correct)

    • What is the energy content of fats per gram?

  • 11 Calories
  • 4 Calories
  • 7 Calories
  • 9 Calories (correct)

    • Which of the following is an example of an essential fatty acid?

  • Lysine
  • Methionine
  • Linoleic acid (correct)
  • Threonine

    • What is the role of vitamins in the body?

    <p>To support normal metabolism</p> Signup and view all the answers

    What is the function of food vacuoles in unicellular organisms?

    <p>To fuse with lysosomes</p> Signup and view all the answers

    What is the common characteristic of essential nutrients?

    <p>They cannot be synthesized by the body and must be obtained from food</p> Signup and view all the answers

    What is the main function of the xylem tissue in a plant?

    <p>To transport water and minerals from the roots to the leaves</p> Signup and view all the answers

    What is the primary source of energy for animals?

    <p>Carbohydrates and proteins</p> Signup and view all the answers

    What is the unit of energy that indicates the amount of energy contained in food?

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

    What is the main function of proteins in animal cells?

    <p>To serve as building materials for cell structures and as enzymes, hormones, and parts of muscles and bones</p> Signup and view all the answers

    How many Calories are contained in one gram of carbohydrates?

    <p>4 Calories</p> Signup and view all the answers

    What is the main function of the phloem tissue in a plant?

    <p>To transport food from the leaves to the other parts of the plant</p> Signup and view all the answers

    What is the primary function of the scrotum?

    <p>To regulate the temperature of the testes</p> Signup and view all the answers

    What is the name of the layer of the uterine wall that is composed of smooth muscle and contracts during labor?

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

    What is the term for when a fertilized egg implants outside of the uterus?

    <p>Ectopic pregnancy</p> Signup and view all the answers

    What is the primary function of the fallopian tubes?

    <p>To connect the ovaries to the uterus</p> Signup and view all the answers

    What is the hormone that stimulates the anterior pituitary gland to release FSH and LH?

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

    What is the term for the cycle that prepares the uterus to capture and nourish a fertilized egg?

    <p>Menstrual cycle</p> Signup and view all the answers

    Which of the following structures has a single opening for digestion?

    <p>Gastrovascular cavity</p> Signup and view all the answers

    What is the primary function of the gizzard in the alimentary canal?

    <p>Churning and digestion of food</p> Signup and view all the answers

    What is the primary function of the epiglottis in the digestive process?

    <p>To direct food into the esophagus and prevent it from entering the larynx and trachea</p> Signup and view all the answers

    Which of the following organs produces enzymes that contribute to the breakdown of food?

    <p>Liver and pancreas</p> Signup and view all the answers

    What is the main function of the stomach in the digestive process?

    <p>To churn, mix food with secretions, and send chyme to the small intestine</p> Signup and view all the answers

    Which organ produces bile for the emulsification of fats?

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

    In a monogastric stomach, what is the pH range that increases the rate of breakdown of food?

    <p>pH 1.5 to 2.5</p> Signup and view all the answers

    What is the main function of peristalsis in the digestive system?

    <p>Transportation of food through the digestive tract</p> Signup and view all the answers

    What is the primary function of the small intestine?

    <p>To mix food with digestive enzymes for final breakdown</p> Signup and view all the answers

    In which part of the digestive system does most absorption of nutrients occur?

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

    What is the main function of the pancreas in the digestive process?

    <p>To produce pancreatic juice containing digestive enzymes</p> Signup and view all the answers

    What is the primary function of the rectum?

    <p>To store and regulate the elimination of feces</p> Signup and view all the answers

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