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Fourth Grade (Grade 4) Anatomy and Physiology Questions

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Grade 4 Respiration, Digestion, and Excretion
Food gives us
  1. energy.
  2. sunlight.
  3. oxygen.
  4. all of the above
Grade 4 Anatomical Organization
When several organs work together carrying on life functions, they form a(n)                .
  1. organism
  2. organ
  3. system
  4. organ system
Grade 4 Respiration, Digestion, and Excretion
Your heart and                 work together to supply your body with oxygen and remove carbon dioxide from your body.
  1. stomach
  2. fist
  3. lungs
  4. brain
Grade 4 Skin, Skeleton, and Muscles
A system that includes all the bones in the body is a
  1. joint.
  2. skeleton.
  3. torso.
  4. skull.
Grade 4 Circulatory and Immune Systems
Your heart
  1. is a muscle.
  2. carries carbon dioxide to your cells.
  3. holds your emotions.
  4. all the above
Grade 4 Respiration, Digestion, and Excretion
Your respiratory system helps you
  1. move.
  2. breathe.
  3. digest food.
Grade 4 Respiration, Digestion, and Excretion
Food the body cannot use is stored in the
  1. stomach.
  2. large intestine.
  3. mouth.
  4. small intestine.
Grade 4 Skin, Skeleton, and Muscles
What type of muscles can you control by thinking?
  1. smooth muscles
  2. skeletal muscles
  3. heart muscles
  4. cardiac muscles
Grade 4 Respiration, Digestion, and Excretion
Where does digestion start?
  1. mouth
  2. small intestine
  3. large intestine
  4. stomach
Grade 4 Respiration, Digestion, and Excretion
What does your body need that it gets from air?
  1. carbon dioxide
  2. oxygen
  3. nitrogen
Grade 4 Skin, Skeleton, and Muscles
Each bone that makes up the backbone is called a(n)
  1. vertebrate.
  2. invertebrate.
  3. vertebra.
  4. scale.
Grade 4 Circulatory and Immune Systems
Your heart's job is to
  1. make heat to keep your body warm.
  2. make you strong.
  3. move blood to all parts of your body.
  4. help you breathe.
Grade 4 Respiration, Digestion, and Excretion
This substance, also known as "spit," is in your mouth to help break up food.
  1. medicine
  2. salt
  3. taste buds
  4. saliva
Grade 4 Respiration, Digestion, and Excretion
Which part of the digestive system makes food mostly liquid?
  1. stomach
  2. esophagus
  3. small intestine
  4. large intestine
Grade 4 Skin, Skeleton, and Muscles
The human skeleton is made up of 100 bones.
  1. True
  2. False
Grade 4 Skin, Skeleton, and Muscles
Which is the hardest, most durable part of our bodies?
  1. lungs
  2. bone
  3. stomach
  4. skin
Grade 4 Anatomical Organization
List the levels of organization from smallest to largest.
  1. tissues-organ systems-organs-cells-body
  2. cells-tissues-organs-body-organ systems
  3. cells-tissues-organs-organ systems-body
  4. organs-tissues-body-cells-organ systems
Grade 4 Anatomical Organization
The smallest unit that makes up all living things is the                .
  1. tissue
  2. cell
  3. organ system
  4. organ
Grade 4 Anatomical Organization
A(n)                 is a living thing that carries out basic life functions on its own.
  1. cell
  2. muscle
  3. tissue
  4. organism
Grade 4 Nervous and Endocrine Systems
Which body system tells you when to reach for and catch a falling book?
  1. muscular
  2. skeletal
  3. nervous
  4. respiratory
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