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Eighth Grade (Grade 8) Anatomy and Physiology Questions

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Grade 8 Circulatory and Immune Systems
Which is the site where oxygen diffuses into the blood?
  1. trachea
  2. bronchus
  3. alveoli
  4. bronchiole
Grade 8 Skin, Skeleton, and Muscles
What is our skeleton ?
  1. Movement of the body, attached to bones
  2. Transport of materials to the body
  3. Support and protection of soft body parts
  4. None of above
Grade 8 Human Reproduction
Sex organs develop rapidly during                .
  1. fertilization
  2. puberty
  3. menstruation
  4. ovulation
Grade 8 Human Reproduction
Grade 8 Human Reproduction
Grade 8 Circulatory and Immune Systems
What is carried around the body in arteries?
  1. deoxygenated blood at high pressure
  2. deoxygenated blood at low pressure
  3. oxygenated blood at high pressure
  4. oxygenated blood at low pressure
Grade 8 Human Reproduction
This structure protects and cushions the embryo.
  1. umbilical cord
  2. scrotum
  3. amniotic sac
  4. placenta
Grade 8 Circulatory and Immune Systems
What is the function of valves in the heart and veins?
  1. to speed up blood flow
  2. to slow down blood flow
  3. to keep blood flowing in the same direction
  4. to increase the amount of oxygen around the body
Grade 8 Circulatory and Immune Systems
Which statement best describes veins?
  1. high pressure, elastic walls, takes blood away from the heart
  2. low pressure, thin walls, takes blood back to the heart
  3. high pressure, thin walls, takes blood back to the heart
  4. low pressure, elastic walls, takes blood away from the heart
Grade 8 Circulatory and Immune Systems
What is the function of red blood cells?
  1. carry oxygen around the body
  2. carry carbon dioxide around the body
  3. to fight infections
  4. to clot blood
Grade 8 Circulatory and Immune Systems
Which side of the heart receives deoxygenated blood from the rest of the body?
  1. right atrium
  2. left atrium
  3. right ventricle
  4. left ventricle
Grade 8 Circulatory and Immune Systems
Grade 8 Skin, Skeleton, and Muscles
Grade 8 Circulatory and Immune Systems
Which of these is not found in human blood?
  1. red blood cells
  2. platelets
  3. plasma
  4. chloroplasts
Grade 8 Human Reproduction
Grade 8 Skin, Skeleton, and Muscles
Which of these is NOT a function of the skeletal system?
  1. Production of red blood cell
  2. Storage of fat and calcium
  3. Protection of the body's organs
  4. Helps with movement
  5. Supporting the body
  6. Digesting food
Grade 8 Human Reproduction
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