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Amanda Korgees
Anatomy weeks 1-6 (study stack 1)
| Question | Answer |
|---|---|
| What are the three main layers of the skin? | Epidermis, dermis, and hypodermis (subcutaneous layer). |
| What does the integumentary system include? | Skin, hair, nails, and glands |
| What does melanin do? | Melanin gives skin its color and protects it from sun damage. |
| What is the job of sweat and oil glands? | Sweat glands help cool the body, and oil glands keep the skin soft and prevent it from drying out. |
| What are the main parts of the skeletal system? | Bones, joints, ligaments, and cartilage. |
| What are two main functions of the skeletal system? | It supports the body and protects important organs like the heart and brain. |
| What are the two types of bone tissue? | Compact bone (hard and strong) and spongy bone (light and full of spaces). |
| What do osteoblasts and osteoclasts do? | Osteoblasts build new bone, and osteoclasts break down old bone. |
| What is the difference between the axial and appendicular skeleton? | The axial skeleton includes the skull, spine, and ribs, while the appendicular skeleton includes the arms, legs, and pelvis. |
| What vitamin does the skin help make when exposed to sunlight? | The skin helps make vitamin D, which is important for strong bones. |
| What is bone marrow and what does it do? | Bone marrow is a soft tissue inside bones that makes blood cells. |
| How do bones and muscles work together? | Muscles attach to bones and pull on them to make the body move. |
| What happens to bones as we get older? | Bones can lose calcium and become weaker, which makes them easier to break. |
| What are nails and hair made of? | They are made of keratin, a tough protein that also helps protect the skin. |