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Human body/Cells Review

Quiz by Adair Thomas

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15 questions
Show answers
  • Q1
    Which is a difference between frogs and bacteria?
    Frogs must rely on other single-celled organisms for survival, while bacteria are dependent only on themselves.
    Frogs are able to control all life processes in one cell, while bacteria cannot.
    Frogs are single-celled organisms, while bacteria are multi-celled organisms.
    Frogs are multi-celled organisms, while bacteria are single celled organisms
  • Q2
    Which is most directly connected to the circulatory system?
  • Q3
    How is it possible for single-celled organisms to survive?
    They have adapted to live only in specific environments.
    They depend on other cells to obtain food, water, and other resources.
    They have all of their needs met within one cell.
    They are small and can easily avoid predators.
  • Q4
    Which task in the human body is accomplished through the combined efforts of the cardiovascular and muscular systems?
    releasing waste products from the body
    moving water and nutrients from one organ to another
    pumping blood throughout the body
    protecting major body organs
  • Q5
    Which is a multi-cellular organism?
  • Q6
    Which best explains the effects of exercise on the respiratory system?
    Exercise decreases breathing rate which produces more wastes for the kidneys to process.
    Exercise decreases breathing rate which sends more oxygen to the brain.
    Exercise increases breathing rate which makes the bones stronger.
    Exercise increases breathing rate which makes the lungs stronger.
  • Q7
    Which of these is a structure that is present in all organisms?
    a tissue
    a cell
    a brain
    a stomach
  • Q8
    Which best describes the role of the respiratory system?
    It helps people eat and digest different foods.
    It helps people transport blood throughout their bodies.
    It helps people breathe in oxygen and breathe out carbon dioxide.
    It helps people stand upright.
  • Q9
    In what way are both humans and bacteria the same?
    Both are multicellular organisms.
    Both are living things.
    Both are single-celled organisms.
    Both are non-living things.
  • Q10
    What is the main function of the nervous system?
    clean waste from the cells
    deliver messages to the brain
    absorb nutrients for energy
  • Q11
    Which BEST describes ALL unicellular organisms?
    Every cell is round.
    Every cell can move on its own.
    Every cell can make food.
    Every cell performs all life functions.
  • Q12
    Which example best shows structures that make up the digestive system in the human body?
    brain, spinal cord, nerves
    heart, blood, vessels
    nose, trachea, lungs
    esophagus, stomach, intestines
  • Q13
    Molly is reading a book in science class. She reads one sentence that says, “This organism is capable of surviving as a single cell.” Which organism is she most likely reading about?
    an insect
    a flower
    a bacteria
    a mushroom
  • Q14
    Which is responsible for providing oxygen to cells?
    muscular system
    digestive system
    circulatory system
    skeletal system
  • Q15
    How do bacteria control their life processes?
    Bacteria control their life processes within multi-cells.
    Bacteria work with other cells to control all their life processes.
    Bacteria control their life processes within a single cell.

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