Skeletal System

How do bones, ligaments, and cartilage work together?

Ligaments connect the bones together, cartilage helps to cushion in between bones, and bones provide strength and support.

Are bones solid throughout?

Many bones are hollow and filled with marrow.

tendon

a band of tissue that connects muscle to bone

cartilage

a durable, flexible material that makes up the skeletons of some animals and is found in various places on the human body

exoskeleton

a hard covering on an insect or other invertebrate that must be shed each time the animal grows

mineral

a natural, solid substance found in rocks; each mineral has a specific chemical makeup

skull

a structure of bone found in the heads of animals and humans

What gives bones strength?

calcium (milk)

spine

in vertebrates, the flexible column of bones that protects the spinal cord and supports the body

Bones are connected to each other by;

ligaments

rib

organ of the skeletal system that helps protect the heart, lungs, and other organs in the chest

bone

organs that make up a skeleton

Which body system protects some of the internal organs, such as heart and lungs, from physical injury?

skeletal

bone marrow

spongy material inside long bones that produces blood cells

backbone

the column of bones that runs along the backs of all vertebrate animals and protects the spinal cord

vertebrae

the individual bones that stack to form the backbone of an animal

joint

the place where two bones are connected in a body

What are bones made of?

Bones are made of minerals and contain bone marrow inside.

How does out skeletal system help us move?

Bones, ligaments, and cartilage work together to help us move.

What does our skeletal system help us do besides allowing movement?

The skeleton protects internal organs from damage and provides shape and support for our bodies.