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ORG BIO 2/26
| Question | Answer |
|---|---|
| What are the three basic components of a homeostatic control system in order? | (1) the receptor, (2) the control center, and (3) the effector |
| What is a Homeostatic Control System? | A homeostatic control system is the body's way of maintaining internal stability and balance despite external changes. |
| What are the different types of Nervous Systems? | Sense & Response, Independent responses and Processing possible |
| What are the 4 major divisions of the vertebrae brain? | Cerebrum, diencephalon, brainstem, and cerebellum |
| How many major divisions does the vertebrae brain have? | 3 major divisions: Hindbrain, Midbrain and Forebrain |
| Function of Hindbrain | Controls homeostasis & essential bodily functions (breathing, heart rate, etc.) |
| Function of Midbrain | Processes sensory inputs & maintains alertness |
| Function of Forebrain | Relays sensory input to cerebrum, controls voluntary movements, controls complex cognitive functions. |
| What are the 2 parts of the vertebrate nervous system? | Central Nervous System (CNS): Brain & spinal cord Peripheral Nervous System (Neurons & axons of neurons outside the CNS, but connect with the CNS) |
| What does the parasympathetic do to the nervous | Conserve and store energy and to regulate basic body functions such as digestion and urination. |
| Somatic | sense external environment & control skeletal muscles |
| Autonomic | regulate homeostasis and organ function. Sympathetic: Fight or Flight and Parasympathetic: Rest-or-digest |