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Hayley Lindfors
Anatomy (weeks 1-5)
| Question | Answer |
|---|---|
| What are the four most abundant elements in the human body? | Oxygen (O), Carbon (C), Hydrogen (H), and Nitrogen (N) |
| What is the difference between an ionic bond and a covalent bond? | In an ionic bond, electrons are transferred between atoms. In a covalent bond electrons are shared between atoms. |
| What is the main function of the mitochondria? | The mitochondria produce ATP (energy) through cellular respiration - often called the "powerhouse of the cell." |
| What is the function of the Golgi Apparatus? | It modifies, sorts, and packages proteins and lipids for secretion or delivery to other cell parts. |
| What structure controls what enters and leaves the cell? | The plasma (cell) membrane, which is selectively permeable and made mostly of a phospholipid bilayer. |
| What are the two main layers of the skin? | The epidermis (outer layer) and the dermis (inner layer). |
| What pigment gives skin its color, and what cells produce it? | Melanin, produced by melanocytes in the epidermis. |
| Which layer of the epidermis contains dividing cells responsible for growth? | The stratum basale (also called the basal layer or stratum germinativum). |
| What are the two main divisions of the skeletal system? | The axial skeleton (skull, spine, ribs, sternum) and the appendicular skeleton (limbs and girdles). |
| What is the purpose of red bone marrow? | It is the site of hematopoiesis - the production of blood cells. |
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hayley91