Term
What term means something that causes disease? |
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Definition
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Term
| What are 2 types of pathogens? |
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Definition
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Term
What is your first line of defense against disease? |
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Definition
your skin (It is a physical barrier.) |
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Term
Where do pathogens enter the body? |
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Definition
through your mouth (most get in that way) through your nose
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Term
How does your digestive system help to destroy pathogens that enter through your mouth? |
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Definition
hydrochloric acid in the stomach helps destroy bacteria and viruses |
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Term
How does your respiratory system help defend against disease? |
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Definition
hairs in the nose trap germs cilia and mucus trap germs sneezing and coughing get rid of germs
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Term
How does your circulatory system help you fight disease? |
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Definition
white blood cells (WBC) attack germs |
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Term
| How do white blood cells travel? |
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Definition
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Term
| What is a signal molecule that produces an immune response? |
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Definition
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Term
| What is a molecule made by your body to protect itself against disease? |
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Definition
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Term
| Name 3 defenses that protect your body against harmful germs. |
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Definition
circulatory system skin respiratory system
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Term
Be able to locate and label the following parts of the lymphatic system: |
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Definition
tonsils thymus lymph vessels spleen lymph nodes
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Term
What kind of fluid does the lymphatic system transport? |
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Definition
| a clear fluid called lymph |
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Term
What is the job of the lymphatic system? |
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Definition
| to drain excess fluid from tissues and return it to the circulatory system |
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Term
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Definition
bean-shaped structures that filter the fluid before it is returned to the blood stream |
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Term
| What is a barrier made up of several layers that stops pathogens from entering the body? |
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Definition
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Term
What is a cell that protects the body against disease? |
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Definition
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