Apologia General Science (Sonlight) Module 11

Created by janiemoose 

Upgrade to
remove ads

Vocabulary from the Sonlight Instructors Guide

Bone Marrow

Produces the cells that are in your blood

skeletal muscles

Bones to help you move. These are your voluntary muscles.

Smooth muscles

Control the movements necessary for your body's internal organs and blood vessels to function. Controlled by the brain, so movements they cause are involuntary.

cardiac muscle

A muscle found only in the heart. I controls how the blood is pumped throughout your body.

Keratinization

The process of skin cells hardening so that they form your hair, nails, and the outer layer of your skin.

Endoskeleton

the sum total of all bones in the body

Vertebrates

All creatures with a vertebral column backbones.

Axial skeleton

The portion of the skeleton that supports and protects the head, neck, and trunk.

Appendicular skeleton

The portion of the skeleton that attaches to the axial skeleton and has the limbs attached to it.

Invertebrates

Organisms from kingdom Animalia with no backbone.

Exoskeleton

A body covering, typically made of chitin, that provides support and protection.

Arthropods

Animals with exoskeletons, such as grasshoppers.

Tendon

connective tissue that attaches the skeletal muscles to the skeleton.

Cartilage

A tough, flexible substance that allows joints to rub up against each other without damage.

Ligament

Lubricates the joints so that their motion is smooth and easy.

Synovial fluid

Lubricates the joints so that their motion is smooth and easy.

Involuntary muscles

Muscles that cause involuntary movement, which is movement made without conscious thought.

Phototropism

The tendency of plants to grow so that they face the light.

Gravotropism

The tendency for a plant to sense which way is "up" and to grow that way.

Epidermis

Outer layer of skin

Dermis

The inner layer below the epidermis

Hypodermis

Below the dermis and composed mostly of fat. It is not technically considered part of the skin

Symbiosis

A close relationship between two or more species where at least one benefits.

Skin in other organisms

* Mammals - produce hair
* Birds - produce feathers
* Fish - produce scales
* Reptile - produce scales
* Amphibians - also breathe with their skin

Please allow access to your computer’s microphone to use Voice Recording.

Having trouble? Click here for help.

We can’t access your microphone!

Click the icon above to update your browser permissions above and try again

Example:

Reload the page to try again!

Reload

Press Cmd-0 to reset your zoom

Press Ctrl-0 to reset your zoom

It looks like your browser might be zoomed in or out. Your browser needs to be zoomed to a normal size to record audio.

Please upgrade Flash or install Chrome
to use Voice Recording.

For more help, see our troubleshooting page.

Your microphone is muted

For help fixing this issue, see this FAQ.

Star this term

You can study starred terms together

NEW! Voice Recording

Create Set