Keeping your insides in
What is below the surface?
You are unique/Why you look like you do
Keeping you healthy
100

a pigment in the skin, eyes, and hair that give them color

melanin

100

The outer most layer of skin that creates a watertight barrier on the body.

epidermis

100

True or false No one in the world has the same fingerprints.

True
100

What do white blood cells produce that help fight foreign substances in the body?

antibodies

200

a condition where people's bodies do not produce melanin

albinism

200

These constantly shed from the body.

Dead skin cells

200

Tiny bits of information that are contained in the DNA of each cell in your body. They give information about certain features of your body will be like.

Genes

200

A clear liquid carried through vessels in your body. 

lymph

300

Name one function of skin.

keeps insides in, keeps germs and harmful substances out, part of the communication network to the brain

300
The sebaceous glands secrete _______ that helps keep the skin soft and flexible. 

oil

300
List two of the four bases that are used to build the DNA ladder.

adenine, thymine, guanine, cytosine

300

An organ that filters your blood and eliminates many of the germs that are not eliminated by other parts of the immune system.

spleen

400

Where is the skin thickest on the body?

Soles of feet

400

A gland secretes _______ to help cool the body when needed.

sweat

400

A complete strand of DNA

chromosome

400

An organ that provides a barrier against disease.

Skin

500

Skin that is found on the hands and feet that is specially designed to grasp items is called ______.

friction skin

500

The innermost layer of skin which is a fatty layer that connects the dermis to the tissues of the body.

subcutaneous tissue

500

What is deoxyribose made up of?

sugar molecules

500

List three systems that filter germs from the body.

Lymph system, digestive system and spleen

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