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Grade 9 · Science · Biology

9th grade From cells to organ systems worksheet

6 printable versionsBuilding Confidence10 questions · answer keyFree · no account

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From cells to organ systems

Grade 9 Science Worksheet - Building Confidence

NameDate

Circle the best answer.

  1. Ari reads a ladder of body parts, smallest at the bottom. Which level is box W, the heart?

    • Cell
    • Tissue
    • Organ system
    • Organ

  2. Cell, tissue, organ, organ system, organism. Meaning to match: a body part built from two or more tissue types. Jun matches a meaning to a term from the word bank. Which term means a body part built from two or more tissue types?

    • Tissue
    • Organism
    • Organ
    • Organ system

  3. Cell, tissue, organ, organ system, organism. Meaning to match: a group of similar cells that work together on one job. Kira matches a meaning to a term from the word bank. Which term means a group of similar cells that work together on one job?

    • Organism
    • Organ
    • Organ system
    • Tissue

  4. Cell, tissue, organ, organ system, organism. Meaning to match: a group of organs working together on a major body job. Luz matches a meaning to a term from the word bank. Which term means a group of organs working together on a major body job?

    • Organ system
    • Organism
    • Organ
    • Cell

  5. Read this first

    Card (model)

    Tissue X. Cells: red blood cells and white blood cells. Matrix: a fluid called plasma. Where it flows: through the heart and blood vessels.

  6. Milo reads a tissue card. Which type of tissue is X?

    • Connective tissue
    • Nervous tissue
    • Muscle tissue
    • Epithelial tissue

  7. Card (model)

    Tissue Y. Main cell: the neuron, with branches called dendrites and one branch called an axon. Job: receive and send electrical signals.

  8. Noah reads a tissue card. Which type of tissue is Y?

    • Epithelial tissue
    • Muscle tissue
    • Nervous tissue
    • Connective tissue

  9. Card (model)

    Tissue Z. Cells: flat cells packed in layers. Found: the outer part of the skin and the lining of the mouth. Job: cover and protect against rubbing.

  10. Pia reads a tissue card. Which type of tissue is Z?

    • Epithelial tissue
    • Connective tissue
    • Nervous tissue
    • Muscle tissue

  11. Map (model, not to scale): two boxes. Ren reads a map of two body systems. The arrow from the respiratory system to the circulatory system is marked ?. What does it carry?

    • Oxygen, which enters the bloodstream
    • Nutrients, which enter the bloodstream
    • Carbon dioxide, which leaves the bloodstream
    • Nothing, because the two systems work alone

  12. Use this

    Map (model, not to scale):

  13. Tala reads a map of two body systems. The arrow from the digestive system to the circulatory system is marked ?. What does it carry?

    • Nutrients, which enter the bloodstream
    • Oxygen, which enters the bloodstream
    • Carbon dioxide, which enters the bloodstream
    • Nothing, because the two systems work alone

  14. Zee reads a map of two body systems. The arrow from the circulatory system to the respiratory system is marked ?. What does it carry?

    • Carbon dioxide, which is carried to the lungs
    • Nothing, because the two systems work alone
    • Nutrients, which are carried to the lungs
    • Oxygen, which is carried to the lungs
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9th grade From cells to organ systems worksheet – printable
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About this worksheet

From cells to organ systems. Every version has 10 questions, and the answer key prints on the second page.

What your child will learn

  • I can put cell, tissue, organ, organ system and organism in order, and say that each level is built from the one below it.
  • I can say a tissue is a group of similar cells doing one job, an organ holds two or more tissue types, and an organ system is several organs teaming up on a major job.
  • I can name the four animal tissue types (epithelial, connective, muscle, nervous) and give a real example of each: skin and gut linings, blood, the heart wall, neurons.
  • I can tell smooth, skeletal and cardiac muscle apart from a table of stripes, nuclei and control.
  • I can sort a described structure into a level by what it is built from: the skin (two tissue types) is an organ, a layer of one kind of cell in a kidney tube is a tissue, one neuron is a cell.
  • I can say size does not decide the level: a structure with the most cells can still be one tissue, and a cell can have long branches.

Standard: HS-LS1-2

Words to know

cell: The smallest unit of structure and function in a living thing

tissue: A group of similar cells that work together on one job

organ: A distinct body part built from two or more tissue types

organ system: A group of organs that work together on a major body job

organism: One whole living thing, made of one cell or of many

epithelial tissue: Tissue that covers outer surfaces and lines tubes and hollow spaces

connective tissue: Tissue with cells set in a matrix; blood, fat, bone and tendons are examples

matrix: The material between the cells of a connective tissue; in blood it is plasma

Common mistakes

Your child called a group of similar cells an organ. A tissue is similar cells doing one job; an organ combines two or more tissues. Ask your child how many tissue types a part holds before naming its level.

Your child mixed up the order of the levels. Each level is built from the one below: cell, tissue, organ, organ system, organism. Ask your child to say the ladder from the smallest rung upward.

Your child thought an organ is made of one kind of tissue. An organ combines two or more tissue types. Ask your child to name two tissue types found in the skin.

Questions parents ask

What is the most common mistake with from cells to organ systems?

Your child called a group of similar cells an organ. A tissue is similar cells doing one job; an organ combines two or more tissues. Ask your child how many tissue types a part holds before naming its level.

Are these 9th grade science worksheets free to print?

Yes. All 6 printable versions at each level are free to print, with the answer key, and no account is needed.

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