S KIN

L ARGEST ORGAN Skin is the largest organ on your body. Your skin has four types of tissues. The skin is the most important protection to your body. It protections against cold, heat, pressure, and pain. Your skin keeps your body at a steady temperature through is sweat glands and hair.

A CNE Acne is a problem to most people through out their lives. During puberty is when you get the most acne because your hormones produce more oils. When you get acne you have these bumps that are called pimples. There are four different types of pimples and they are Whiteheads, Blackheads.

T HE LAYERS OF THE SKIN There are 3 layers of skin in the human body. Epidermis is made up of dead and living things that are called Epithelial cells. Those cells are in your skin. The out layer of the skin is formed by dead skin.

Tissues Tissues do a lot for the human body. They support, Transport, movement, storage, and control. Your body has different types of tissues there are 4 types. The function and structure will make up the organs and organ systems there for making the human body. The four tissues are Epithelial, Connective, muscles, and nervous.

Cells Your cell has ribosome that are tiny and round structures made of proteins and RNA. Your cell also has Golgi Apparatus that is a stack of flatten membranous. Red blood cells have more than 200 different kinds. The principle of living organisms has many cells.

The Cell Cycle The cell cycle goes from the time it forms to the time it reproduces. Toward the end the DNA replicates as the cell prepares for itself to form. Many kinds of cells grow and reproduce when a child grows into an adult. Interphase is the first stage of the cell cycle.

Bibliography The Human Body How It Works Cells, Tissues, and Skin Douglas B. Light Copyright 2009 Infobase Publishing Major Organs Sustaining Life Sharon Katz Cooper Copyright 2007 Published by Compass Point Books

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