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Fourth Grade (Grade 4) Anatomy and Physiology Questions

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Grade 4 Anatomical Organization
Cells that work together, like the skin, are organized into                .
  1. tissues
  2. organs
  3. bundles
  4. organ systems
Grade 4 Respiration, Digestion, and Excretion
Where does the last step of digestion occur?
  1. mouth
  2. stomach
  3. small intestine
  4. large intestine
Grade 4 Circulatory and Immune Systems
When blood passes through the                , it exchanges oxygen and carbon dioxide.
  1. arteries
  2. veins
  3. heart
  4. capillaries
Grade 4 Skin, Skeleton, and Muscles
The                 is the larger and longer bone of the forearm.
  1. ulna
  2. humerus
  3. radius
  4. carpals
Grade 4 Nervous and Endocrine Systems
Where are sound waves changed into the electrical signals that travel to your brain?
  1. eardrum
  2. hammer
  3. cochlea
  4. stirrup
Grade 4 Skin, Skeleton, and Muscles
What bones protect your heart and lungs?
  1. breastbone
  2. rib cage
  3. collarbone
  4. wrist bones
Grade 4 Respiration, Digestion, and Excretion
The organ that allows you to breathe is the
  1. heart.
  2. legs.
  3. lungs.
  4. eyes.
Grade 4 Anatomical Organization
                are tissues that work together to do a certain job.
  1. Cells
  2. Water
  3. Parts
  4. Organs
Grade 4 Skin, Skeleton, and Muscles
Which term is not a tooth?
  1. molar
  2. canal
  3. premolar
  4. canine
  5. incisor
Grade 4 Skin, Skeleton, and Muscles
What is the most common type of joint in your body?
  1. hinge joint
  2. ball-and-socket joint
  3. gliding joint
  4. all of the above
Grade 4 Circulatory and Immune Systems
Your heart is about the size of a closed fist.
  1. True
  2. False
Grade 4 Nervous and Endocrine Systems
Your brain interprets signals from the                                    as sound.
  1. eardrums
  2. three bones in the middle ear
  3. tiny hairs that affect nerve cells
  4. inner ears
Grade 4 Skin, Skeleton, and Muscles
Leg muscles that you use when you lift a box are
  1. smooth muscles.
  2. striated muscles.
  3. cardiac muscles.
  4. heart muscles.
Grade 4 Nervous and Endocrine Systems
What is the effect of the inner ear vibrating?
  1. The inner ear's walls are lined with hairs.
  2. Vibrations pass through the middle ear bones.
  3. Nerve cells send sound signals to the brain.
  4. The outer ear collects and guides sound waves.
Grade 4 Circulatory and Immune Systems
Oxygen is carried to each cell of your body by
  1. food.
  2. the trachea.
  3. mucus.
  4. blood.
Grade 4 Respiration, Digestion, and Excretion
Your body has two                 to help you breathe.
  1. tongues
  2. mouths
  3. stomachs
  4. lungs
Grade 4 Skin, Skeleton, and Muscles
If plaque is not cleaned off the teeth, it can cause the tooth enamel to
  1. harden.
  2. whiten.
  3. shine.
  4. decay.
Grade 4 Anatomical Organization
The brain is an organ of the body.
  1. True
  2. False
Grade 4 Circulatory and Immune Systems
What is the job of the heart?
  1. regulate our breathing
  2. pump blood through the whole body
  3. carry nutrients to our organs
  4. take up space by our lungs
Grade 4 Respiration, Digestion, and Excretion
Oxygen moves from the lungs into the blood vessels.
  1. True
  2. False
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