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brain
| Term | Definition |
|---|---|
| Cerebrum | The largest part of the brain; controls thinking, learning, memory, and voluntary movement. |
| Cerebellum | Helps with balance, coordination, and smooth movements. |
| Brain stem | Controls basic life functions like breathing, heart rate, and digestion. |
| Pons | Helps relay messages and controls breathing and sleep. |
| Medulla oblongata | Controls automatic functions like heartbeat, breathing, and blood pressure. |
| Parietal lobe | Processes touch, temperature, and spatial awareness. |
| Occipital lobe | Responsible for vision and visual processing. |
| Frontal lobe | Controls decision-making, planning, emotions, and voluntary movement. |
| Temporal lobe | Helps with hearing, language, and memory. |
| Motor cortex | Controls voluntary muscle movements. |
| Sensory cortex | Receives and processes touch and body sensation information. |
| Corpus callosum | A bundle of nerves connecting the two brain hemispheres. |
| Pituitary gland | The “master gland” that controls hormones and growth. |
| Thalamus | Sends sensory information to the correct parts of the brain. |
| Hypothalamus | Regulates hunger, temperature, thirst, and hormones. |
| Hippocampus | Important for forming new memories and learning. |
| Wernicke’s Area | The part of the brain that helps you understand language. |
| Broca’s Area | The part of the brain that helps you produce speech and talk. |
| Gyrus / Gyri | The raised folds on the surface of the brain. |
| Sulcus / Sulci | The grooves or valleys between the brain folds. |
| Amygdala | Controls emotions, especially fear and anger. |
| Olfactory Bulbs | Help you smell. |
| Limbic System | A group of brain parts that control emotions, behavior, and memory. |
| Corpus Callosum | Connects the left and right sides of the brain. |
| Pineal Gland | Controls sleep by releasing melatonin. |
| Midbrain | Controls movement, vision, hearing, and alertness. |
| Brachial Plexus | A network of nerves that sends signals to the shoulder, arm, and hand. |
| Ulnar Nerve | Controls feeling and movement in the pinky and ring finger. |
| Radial Nerve | Controls movement and feeling in the back of the arm and hand. |
| Median Nerve | Controls movement and feeling in the thumb, index, and middle fingers. |
| Sciatic Nerve | The largest nerve; runs from the lower back down the leg. |
| Brain | The body’s control center. |
| Spinal Cord | Sends messages between the brain and the rest of the body. |