Biology: Types of Tissues
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Questions and Answers

What type of tissue is responsible for secretion and absorption?

  • Muscle
  • Epithelial (correct)
  • Nervous
  • Connective
  • What is the primary function of the circulatory system?

  • Removes excess fluids and waste products
  • Brings oxygen in and expels carbon dioxide (correct)
  • Regulates body temperature
  • Provides nutrients to muscles
  • Which blood vessels carry blood away from the heart?

  • Veins
  • Lymphatic vessels
  • Arteries (correct)
  • Capillaries
  • What is an example of a negative feedback loop?

    <p>Blood clotting</p> Signup and view all the answers

    What does homeostasis refer to?

    <p>The body's way of maintaining a constant internal state despite external changes</p> Signup and view all the answers

    Which circuit involves pumping blood throughout the whole body?

    <p>Systemic circuit</p> Signup and view all the answers

    What is the primary function of the respiratory system?

    <p>Brings oxygen in and expels carbon dioxide</p> Signup and view all the answers

    Which type of tissue is involved in contraction?

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

    What is the primary function of the urinary system?

    <p>Removes excess fluids and waste products</p> Signup and view all the answers

    What is an example of a positive feedback loop?

    <p>Childbirth contractions</p> Signup and view all the answers

    What is the primary function of the nervous system?

    <p>Coordinates muscle functions</p> Signup and view all the answers

    What is blood composed of?

    <p>45% plasma and 55% cells</p> Signup and view all the answers

    During which phase is blood pressure at its highest?

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

    What is the primary function of red blood cells?

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

    Which of the following best describes a negative feedback loop?

    <p>The result of a process causes it to slow down or stop</p> Signup and view all the answers

    What happens when the diaphragm contracts?

    <p>It moves downward</p> Signup and view all the answers

    Study Notes

    Tissues

    • Epithelial tissue is responsible for secretion and absorption.
    • Connective tissue includes tendons and holds organs in place.
    • Muscle tissue is involved in contraction.
    • Nervous tissue is responsible for communication within the body.

    Feedback Loops

    • An example of a negative feedback loop is thermoregulation.
    • An example of a positive feedback loop is childbirth contractions.

    Homeostasis

    • Homeostasis refers to the body's ability to maintain a constant internal state despite external changes.

    Blood Vessels

    • Arteries carry blood away from the heart.
    • Capillaries are involved in the exchange of materials by diffusion with nearby cells.
    • Veins carry blood back to the heart and have one-way valves to prevent backflow.

    Circulatory System

    • The pulmonary circuit involves the right ventricle pumping blood to the lungs to get rid of carbon dioxide and pick up oxygen.
    • The systemic circuit involves pumping blood throughout the whole body.
    • The primary function of the circulatory system is to move oxygen from the lungs to the heart and pump nutrients to the rest of the body.

    Other Systems

    • The primary function of the respiratory system is to bring oxygen in and expel carbon dioxide.
    • The primary function of the urinary system is to remove excess fluids and waste products.
    • The primary function of the nervous system is to coordinate muscle functions.

    Blood Composition

    • Blood is composed of 55% plasma and 45% cells.

    Blood Pressure

    • Blood pressure is at its highest during the systolic phase.
    • Blood pressure is at its lowest during the diastolic phase.

    Blood Cells

    • The primary function of red blood cells is to carry oxygen.
    • The primary function of white blood cells is to act as immune cells.
    • The primary function of blood platelets is to help prevent and stop bleeding.

    Diaphragm

    • When the diaphragm contracts, it moves downward.
    • The diaphragm contracts during inhalation.

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    Description

    Explore the different types of tissues in the human body, including their functions and characteristics. Test your knowledge on connective, epithelial, muscle, and nervous tissues.

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