School of Life Sciences | Ask A Biologist

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Busy Bones Biology Bit header

Bone Bits

By Melinda Weaver
Illustrated by Sabine Deviche

show/hide words to know

  • Callus: a hardened part of tissue.
  • Cartilage: a firm, but flexible connective tissue found in different parts of the body, such as bone joints, outer ear, and lower ribs... more
  • Irregular bone: a bone that is uneven or unusual in shape, like the vertebrae.
  • Marrow: a soft tissue found inside bones.
  • Mineral: a non-living substance found in nature that is made of specific and organized elements.
  • Nutrient: a vitamin, mineral, or chemical in food that the body uses to grow, repair, or do work... more
  • Platelet: a small cell fragment without a nucleus that helps stop blood the flow of blood when the body is injured.
  • Sesamoid: a small bone buried in a tendon or muscle.
  • Spongy bone: an inner layer of bone full of open sections for marrow, nerves, and blood vessels to move nutrients.

Flashcard facts and information about bones

Biology Bits stories are a great way for you to learn about biology a little bit at a time. We’ve broken down information into pieces that are very tiny—bite-sized biology cards. Cutting out the cards will let you organize them however you want, or use them as flashcards while you read.

This set of bits will teach you about the main organ system that gives your body its shape: bones. To learn more about the science behind bones, visit Busy Bones.

Play the slide show from the beginning or pick a slide to begin with by clicking on a slide below.


You can also download Biology Bits in the following formats:

Biology Bits Download Print PDFBiology Bits Download Slideshow PDF
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Beaver Teeth

Here are some pieces of biology that you can sink your teeth into. One bit at a time.

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Be part of Ask A Biologist

by volunteering, or simply sending us feedback on the site. Scientists, teachers, writers, illustrators, and translators are all important to the program. If you are interested in helping with the website we have a Volunteer page to get the process started.

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Beaver Teeth

Here are some pieces of biology that you can sink your teeth into. One bit at a time.

Share to Google Classroom

Be part of Ask A Biologist

by volunteering, or simply sending us feedback on the site. Scientists, teachers, writers, illustrators, and translators are all important to the program. If you are interested in helping with the website we have a Volunteer page to get the process started.