The bones in the body of children are made up of
cartilage and calcium and phosphorus-rich substances. Cartilage is a
flexible, strong tissue that pads the ends of bones. Cartilage also
protects bones from rubbing together at the joints. It also helps
two bones that come together move smoothly. As you grow, cartilage
is replaced by solid minerals and the bones grow longer and more
solid. However, bones are not solid, even in adults. Bones are
hollow and filled with a soft tissue called marrow. Marrow makes
white and red blood cells. Even though bones are hollow, they are
strong and light in weight. Tiny blood vessels run through tunnels in the
bone tissues and bring oxygen and nutrients to bone cells, and carry away
wastes and white and red blood cells.
Ligaments are tough strips of tissue that connect bones
together. Ligaments help hold bones and joints in place.
Tendons, which are similar to ligaments, allow muscles
to attach to bones.
Bones, tissues, muscles, cartilage, ligaments and
tendons can only be subjected to so much strain. They can be torn or
broken. Bones give shape to the body, allow it to move, and protect
Directions: Answer the questions about the
the flexible, strong tissue that pads the ends of bones and protects bones
from rubbing together at the joints.
As a child grows cartilage is replaced by solid
and the bones grow longer and more solid.
Bones are hollow and filled with a soft tissue called
which makes red and white blood
tough strips of tissue that connect bones together and help hold bones and
joints in place.
muscles to attach to bones.
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