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7th Sci Unit 1

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  • Name four bones
    Cranium, femur, ribs, pelvis, etc.
  • How are the joints in your skull different from the joints in your knee?
    The skull has fixed joints while the knee has moveable joints.
  • How do plants get their food?
    They make it through photosynthesis.
  • How is a tendon different from a ligament?
    Tendons connect muscles to bones, ligaments connect bones to bones
  • Name three types of scientists who study the human body.
    Anatomist, sports physiologist, neuroscientist
  • Name four organs on a plant.
    roots, leaves, stem, flowers
  • How is a neuroscientist different from a sports physiologist?
    A neuroscientist studies the brain and a sports physiologist studies how exercise affects the body.
  • Name four organ systems.
    Digestive, circulatory, respiratory, nervous
  • What does your respiratory system do?
    Breathes in oxygen and out carbon dioxide
  • Name three functions of the skeleton.
    Protect organs, support the body, help you move
  • What does your circulatory system do?
    Transports blood and other substances throughout your body
  • What does your digestive system do?
    It breaks down food to give you energy.
  • Give two examples of a hinge joint.
    Knee and elbow
  • What's the difference between an organ and organism?
    An organ is part of an organism.
  • Which organs does food go through after you eat it?
    Mouth, esophagus, stomach, intestines
  • Name 7 organs
    Brain, heart, liver, stomach, lungs, small intestine, kidneys
  • How is an anatomist different from a physiologist?
    An anatomist studies body structure and a physiologist studies how the body works.
  • Give two examples of a ball-and-socket joint.
    Shoulder and hip
  • Why are plants usually green?
    They have chlorophyll, which is a green pigment.
  • What does your nervous system do?
    Helps your brain communicate with your body
  • How is a hinge joint different from a ball-and-socket joint?
    Hinge joints only move one way, ball-and-sockets move many ways
  • Give an example of antagonistic muscles.
    Bicep and tricep, quad and hamstring, back and chest
  • How is a contracted muscle different from a relaxed muscle?
    Contracted - short and thick, relaxed - long and thin
  • Give two examples of bones protecting organs.
    Cranium - brain, ribs - lungs
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