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Module 13 SG
Exploring Creation with Biology
| Term | Definition |
|---|---|
| Vertebrate | Segments of bone or some other hard substance that are arranged into a backbone |
| Notochord | A rod of tough flexible material that runs the length of a creatures body, providing the majority of its support |
| Endoskeleton | A skeleton on the inside of a creature's body typically composed of bone or cartilage |
| Axial Skeleton | The portion of the skeleton that supports and protects the head, neck, and trunk |
| Appendicular Skeleton | The portion of the skeleton that attaches to the axial skeleton and has the limbs attached to it |
| Arteries | Blood vessels that carry blood away from the heart |
| Capillaries | Tiny, thin-walled blood vessels that allow the exchange of gases and nutrients between the blood and the cells of the body |
| Veins | Blood vessels that carry blood back to the heart |
| Cerebrum | The lobes of the brain that integrate sensory information and coordinate the creature's response to that information |
| Cerebellum | The lobe that controls involuntary actions and refines muscle movement |
| Atrium | A heart chamber that receives blood |
| Ventricle | A heart chamber from which blood is pumped out |
| Ectothermic | Lacking an internal mechanism for regulating body heat |