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Third Grade (Grade 3) Anatomy and Physiology Questions

You can create printable tests and worksheets from these Grade 3 Anatomy and Physiology questions! Select one or more questions using the checkboxes above each question. Then click the add selected questions to a test button before moving to another page.

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Grade 3 Respiration, Digestion, and Excretion
The                 are the organs that help us breathe in air.
  1. kidneys
  2. lungs
  3. intestines
Grade 3 Respiration, Digestion, and Excretion
The two types of ways that animals can breathe are by using their
  1. lungs or kidneys
  2. lungs or gills
  3. gills or eyes
  4. lungs or legs
Grade 3 Respiration, Digestion, and Excretion
We get energy from which of the following?
  1. running
  2. sitting quietly
  3. the foods we eat
Grade 3 Skin, Skeleton, and Muscles
          Cardiac          muscle is found only in the heart.
Grade 3 Anatomy and Physiology
What does structures mean?
  1. parts
  2. leaves
  3. soil
  4. plants
Grade 3 Skin, Skeleton, and Muscles
Muscles that move even when you don't think about it are called               involuntary              muscles.
Grade 3 Skin, Skeleton, and Muscles
           Skeletal           muscles help you move.
Grade 3 Anatomy and Physiology
Andreas Vesalius is NOT the founder of modern human anatomy.
  1. True
  2. False
Grade 3 Skin, Skeleton, and Muscles
                Antagonistic                 muscles are pairs of muscles that work in opposite directions.
Grade 3 Skin, Skeleton, and Muscles
         Smooth         muscle is found in the intestine and the stomach.
Grade 3 Respiration, Digestion, and Excretion
The respiratory system helps the body to take in          oxygen         and give off                  carbon dioxide                 .
Grade 3 Skin, Skeleton, and Muscles
          Protein          helps to grow the myofibrils that build muscle tissue.
Grade 3 Respiration, Digestion, and Excretion
When you exercise, your body needs more               , so you breathe faster.
  1. oxygen
  2. water
  3. carbon dioxide
  4. speed
Grade 3 Skin, Skeleton, and Muscles
What are muscles made of?
  1. stretchy bones and fibers
  2. elastic fibers and tendons
  3. stretchy cells and fibers
  4. tendons and muscles
Grade 3 Skin, Skeleton, and Muscles
When muscles become weak due to lack of use, this condition is called            atrophy.           
Grade 3 Skin, Skeleton, and Muscles
          Tetanus          is a disease that causes the masseter muscle to tighten. This illness is also known as "lock-jaw" for that reason.
Grade 3 Skin, Skeleton, and Muscles
The gluteus maximus is the           largest          muscle in the body, while the masseter is the              strongest.             
Grade 3 Skin, Skeleton, and Muscles
             Striations             are the striped appearance of long, thin muscle cells under a microscope.
Grade 3 Respiration, Digestion, and Excretion
The         Lungs        are the main organs of the respiratory system.
Grade 3 Anatomical Organization
What are antennae?
  1. a tongue
  2. feelers on an insects head
  3. a way to blend in
  4. insect jaws
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