What holds your body up and keeps it together, composed of three basic units, the bones, skin, and muscles.
superstructure
If your skeleton is inside your body its called a what?
Endoskeleton
If you have to think about it, you are probably using this type of muscle
Voluntary/Skeletal
If you have feathers, you are probably a
bird, penguin, ostrich, but not a dinosaur.
The ankle is an example of this type of joint
saddle joint
These work together to support the body
Bones/Skeleton
Portion of the skeleton that supports and protects the head, neck, and trunk
Axial skeleton
If you don't have to think about it, you are probably using this type of muscle anyway.
Involuntary/Smooth
If you are a bear with fur, you are classified as this type of animal
mammal
This type of joint offers a limited range of motion but is very stable, and can be found in the elbows and knees
When one or both organisms benefit from a relationship, it is called...
Symbiosis
Portion of the skeleton that attaches to the axial skeleton and has the limbs attached to it.
Appendicular skeleton
Muscles are attached to bones by these, usually colored white in diagrams.
Tendons
If you are a salamander or other type of animal that breathes through your skin, you are probably a/an
amphibian
This type of joint offers a wide range of motion, but can be less stable
Ball-and-Socket joint
The tendency of a plant to grow toward the light is called...
Phototropism
If your skeleton is outside your body, like a scorpion or a crab (called arthropods), it's called a what?
Exoskeleton
These are not muscles, but they hold bones together in a joint
ligaments
Skin contains sweat glands that allow you to do this, helpful if you have a fever or have been exercising. (Hint: don't say "sweat")
Regulate temperature/cool down
This type of joint works in large groups to allow bending and twisting.
Washer joint (found in backbone)
Found inside bones, this substance produces the cells in your blood.
Bone marrow
Bones are made of 2 substances, collagen and this
minerals/calcium
Not a muscle, but very important if you don't want your bones to rub together, which would cause pain
Cartilage
The process by which skin cells harden, forming hair, nails, and the outer layer of skin
keratinization
Even though some joints provide more limited range of motion, this usually allows them to provide more...
stability