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Assignment Week 7
| Question | Answer |
|---|---|
| What is homeostasis? | Homeostasis is the body's ability to maintain a stable internal environment despite external changes. |
| Provide an example of a homeostatic mechanism in the human body. | An example is temperature regulation, where the body sweats to cool down and shivers to warm up. |
| Name the four major classes of biomolecules. | Carbohydrates, lipids, proteins, and nucleic acids. |
| What is the function of enzymes in cells? | Enzymes are biological catalysts that speed up chemical reactions in cells. |
| Describe the basic structure of a eukaryotic cell. | Eukaryotic cells have a nucleus, membrane-bound organelles, and a complex internal structure. |
| What is the cell cycle, and why is it important for growth and development? | The cell cycle is the process by which cells divide and replicate. It is crucial for growth and development as it allows for the formation of new cells and tissue growth. |
| What are the four primary types of human tissues? | Epithelial, connective, muscle, and nervous tissues. |
| What is the role of the skin in the human body? | The skin serves as a protective barrier, regulates temperature, and plays a role in sensory perception. |
| What is the function of bones in the skeletal system? | Bones provide structural support, protect organs, store minerals, and aid in movement. |
| Name two types of bones in the human body and provide an example of each. | Examples include long bones (e.g., femur) and flat bones (e.g., skull bones). |
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