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week 6 set 1
| Term | Definition |
|---|---|
| Homeostasis | The body's ability to maintain a stable internal environment. |
| ATP (Adenosine Triphosphate) | The main energy-carrying molecule in the body |
| Three types of muscle tissue | Skeletal, cardiac, and smooth. |
| Central Nervous System (CNS) | Made up of the brain and spinal cord. |
| Function of mitochondria | Produces energy (ATP) through cellular respiration. |
| What are macronutrients? | Nutrients the body needs in large amounts: carbohydrates, proteins, and fats. |
| Function of proteins | Supports tissue repair, muscle building, and enzyme production. |
| What is an impulse? | An electrical signal that travels along a neuron. |
| Sarcoplasmic reticulum | Organelle that stores and releases calcium in muscle cells. |
| T tubules | Tubes that transmit the muscle action potential deep into the muscle fiber. |