hmmmmmmmmmmm. What i learned about the integumentary system is. . . . . . .
it is the protective covering of the body and is the most exposed system. this system is comprised of the skin and it's accessory component of hair nails, and associated glands. This system is very important because it performs several vital functions. It also keeps our body from drying out. And the last thing that I know is that this system also acts as storage for fatty tissue necessary for energy. sooooooooooo thats what i've learn but I think I forgot some things. . . .hehehe
Tuesday, October 13, 2009
skeletal system
skeletal system plays an important role in our body. It serves as our framework of the body. Without our skeletal system our body will have no form and we will be paralyzed. There are 206 bones that forms a rigid framework which softer tissues and organs are attached. A function of the skeletal system is it protects vital organs like our brain which is protected by the skull, the heart and the lungs that are encased by the sternum and the rib cage. Another thing that I learned is that bones have two form: the spongy and the compact bone. Compact bone is dense, hard, and fornm the protective exterior portion of all bones. Spongy bone is inside the compact bone and is very porous(full of tiny holes). That's all thank you very much
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