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7th Science Part 3
Science Order And Reality-Chapter 3- A Beka Book- Malia Faith Nelson
| Question | Answer |
|---|---|
| Thymus | Located behind your breastbone and in between your lungs. This allows lymphocytes, which are manufactured in the center of some of your bones, to grow and mature. |
| Integumentary system | Consists of the skin, hair, and nails and covers and protects your body. |
| Epidermis | The top layer of skin |
| Melanin | The more of this brown pigment you have determines whether you have light or dark skin |
| Dermis | The second layer of skin |
| Subcutaneous layer | Layer of cells just below the dermis |
| Adipose | Fat |
| Skeletal system | It supports your body and gives it shape, it protects vital structure, and it provides attachments for many of your body's muscles |
| Marrow | Soft, fatty tissue in the porous center of a long bone |
| What are the four general categories of bones? | Long bones, short bones, flat bones, and irregular bones |
| Long bones | Includes the humerus, your femur, and your phalanges; these bones are longer then they are wide and have enlarged ends |
| Humerus | In your upper arm |
| Femur | In your thigh |
| Phalanges | Finger and toe bones |
| Short bones | Roughly cube shaped; most of your body's short bones are in your wrists and ankles |
| Flat bones | Bones such as your ribs; Most protect vital organs |
| Irregular bones | Any bones that are not short, flat, or long bones |
| Vertebrae | Example of irregular bone |
Created by:
nelsonclan
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