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weeks 8 -12
| Term | Definition |
|---|---|
| vagus | the longest cranial nerve |
| trigeminal | the main sensory nerve for the face, controlling touch, pain, and temperature, and also has motor functions for chewing |
| Hematocrit | the percentage of your total blood volume that is made up of red blood cells, which carry oxygen |
| hematopoiesis | the process of forming blood cells, which occurs in the bone marrow (the primary location in adults) as well as other organs like the liver and spleen |
| natural killer cells. | Lymphocytes that kill many types of tumor cells and cells infected by different kinds of viruses |
| leukocytes. | a colorless cell that circulates in the blood and body fluids and is involved in counteracting foreign substances and disease; a white blood cell. |
| hemoglobin. | iron-rich protein in red blood cells that carries oxygen from the lungs to the body and returns carbon dioxide for removal |
| chloride ions. | negatively charged atoms that are essential for human health and play a role in various chemical processes |
| Cephalic phase | he anticipatory stage of digestion, |
| Gastric phase | the second stage of digestion |