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Japjot Samra
Anatomy Weeks 6-12
| Term | Definition |
|---|---|
| Axial muscles | Muscles of the head, neck, and trunk that support posture. |
| Appendicular muscles | Muscles of the limbs and limb girdles that enable movement. |
| Neuron | Nerve cell that transmits electrical impulses. |
| Neurotransmitter | Chemical messenger released at synapses. |
| Cranial nerves | Nerves that originate from the brain. |
| Thyroid gland | Regulates metabolism. |
| Heart | Muscular organ that pumps blood. |
| Lymph nodes | Filter lymph and trap pathogens. |
| Antigen | Substance that triggers an immune response. |
| Respiratory system | System responsible for gas exchange. |