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Physiology
Week 1-6
| Question | Answer |
|---|---|
| What is the minimum of four basic components in every feedback control loop for homeostasis? | 1. Sensor mechanism 2. Integrator or control center 3. Effector mechanism 4. Feedback |
| What do positive and negative feedback do in temperature? | Negative feedback drops in temperature and positive feedback increases the temperature. |
| What are the four major groups of organic substances in the human body? | 1. Carbohydrates 2. Lipids 3. Proteins 4. Nucleic acids and related molecules |
| What are the two kinds of nucleic acid molecules? | DNA and RNA |
| What are the four major types of tissue in the body? | Epithelial tissue, Connective tissue, Muscle tissue, and Nervous tissue. |
| What are the two primary layers that comprise the skin? | Epidermis and Dermis. |
| What are the bone functions? | 1. Support 2. Protection 3. Movement 4. Mineral Storage 5. Hematopoiesis |
| What are the two main division of the skeleton? | Eighty bones make up the axial skeleton and appendicular skeleton consists of 126 bones. |
| What is the point of contact between bones called? | Articulation or Joint. |
| What is the functional characteristic of muscle? | Excitability or irritability, Contractility, and Extensibility. |