116051
Description
Flashcards by laffytaffi9, updated more than 1 year ago
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Created by laffytaffi9
almost 11 years ago
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| Question | Answer |
| Nonsteriods(2nd type of hormone) | Can't pass through cell membranes so they attach to the outside of the membrane at receptor cites. |
| Nervous System Structures | Cells -> Tissues -> Organs -> Organ Systems -> Organisms |
| Hormone-Insulin | Secreted from the pancreas when there is too much glucose in the blood. It lowers the sugar levels. |
| Homeostasis | Maintaining a stable internal environment (all 3 systems help to accomplish this) |
| Immune System | The body system that uses various cells and antibodies to protect the organism against disease. |
| Macrophage (1st type of immune cell) | White blood cells who surround and eat invading pathogens. |
| T-Cells | Help coordinate the immune system: 2 kinds |
| Helper T-Cells | Fetch killer T-Cells and antibodies. |
| Killer T-Cells | Kill the host cells that are infected with the virus. |
| B-Cells (3rd type of immune cell) | They make antibodies. |
| Antigens | "Tags" on the pathogen that sets off the immune alarm |
| Pathogen | Invading disease: A virus or harmful bacteria |
| Hormones | Chemicals that affect the activities of other target cells. |
| Steriods(1st type of hormone) | These are made from lipids and easily cross cell membranes. They then enter the nucleus and bind with DNA. |
| What does the endocrine system do? | This system, which is composed of glands, secretes hormones directly into the bloodstream. |
| Endocrine System | Function is to broadcast messages throughout the body. |
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