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Stack #4603884
| Question | Answer |
|---|---|
| Central Nervous System | Brain and spinal cord; control center. |
| Brain | Controls thoughts, movement, and body functions. |
| Spinal Cord | Sends messages between brain and body. |
| Peripheral Nervous System | All nerves outside the brain and spinal cord. |
| Brachial Plexus: | Nerve network controlling arms and hands. |
| Ulnar Nerve | Controls pinky side of hand and grip. |
| Radial Nerve: | Controls arm and wrist extension. |
| Median Nerve: | Controls thumb, fingers, and fine movement. |
| Sciatic Nerve | Largest nerve; runs from lower back to legs. |
| Frontal Lobe: | Decision-making, personality, movement. |
| Parietal Lobe | Touch, temperature, body position. |
| Temporal Lobe | Hearing, memory, language. |
| Occipital Lobe | Vision. |
| Cerebellum | Balance and coordination. |
| Brain Stem | Controls breathing and heart rate. |
| Wernicke’s Area | Understanding language. |
| Broca’s Area: | Producing speech. |
| Sensory Cortex | Receives touch and body sensations. |
| Motor Cortex | Controls voluntary movement. |
| Gyrus/Gyri: | Raised folds of the brain. |
| Sulcus/Sulci | Grooves between folds. |
| Limbic System | Emotions and memory. |
| Amygdala | Emotions, especially fear. |
| Hippocampus | Memory formation. |
| Hypothalamus | Regulates hunger, thirst, temperature. |
| Thalamus | Relays sensory information. |
| Corpus Callosum | Connects left and right brain hemispheres. |
| Olfactory Bulbs | Sense of smell. |
| Pineal Gland | Controls sleep |
| Pituitary Gland | “Master gland” controlling hormones. |
| Midbrain | Movement and visual/auditory reflexes. |
| Pons | Sleep and breathing control. |
| Medulla Oblongata | Heart rate and breathing. |