It protects the human body from outside germs and harmful things. The timeline includes the differences between the first time a pathogen is encountered versus subsequent infections, including an explanation of how vaccines work. By learning about the immune system, you will understand how your body protects itself and in what ways it can fail. How does the rest of the immune system work? The cookie is used to store the user consent for the cookies in the category "Other. Pier 15(Embarcadero at Green Street)San Francisco, CA 94111415.528.4444, The Exploratorium is a 501(c)(3) nonprofit organization. Subjects: Anatomy, Biology, Science Grades: 9 th - 12 th, Higher Education Types: Laboratory The Department of Defense Child Development Virtual Laboratory School was developed by The Ohio State University for the US Department of Defenses Office of Family Policy/Children and Youth under Grant 2020-48711-32407 of the US Department of Agricultures National Institute of Food & Agriculture. window.addEventListener('DOMContentLoaded', function() { Magnetic tape, about 1-inch width (3 inches per group); available from craft stores or online at, Digital scale with 0.1 g increments; available at, Iron filings (1 tbsp. The article also tells the story of a more contemporary outbreak in west Africa, which is particularly interesting because of the role prevailing cultural practices can play in the transmission of a disease. Survey: Have students complete the AIDS Knowledge Survey to gauge their level of understanding on the topic. Bacteria can divide into two cells in 20 to 30 minutes; that means that one bacteria can become millions in only a few hours (see Figure 2). This unit is a great compliment to my Human Body Bundle (click . 18. Ask each student to pick a card with their eyes closed; it is important that students do not know who their matching antigen or antibody is before the start of the game. When pathogens make us sick, we call it an infection. One of the reasons is stress. Cause and Effect: Mechanism and Prediction. (Possible examples: bacteria, viruses, broken bones, diseases, cancer, etc.) You can facilitate this by having students who are close friends situated apart from each other in different parts of the room at the onset of the activity. What does your body do when you are sick? Aerospace engineers need to understand the human immune system and how it is affected in space in order to prepare for longer missions that take astronauts further away from the medical resources on Earth. Tears, saliva and mucus keep germs from entering the body though the eyes, mouth and nose (for example, mucus traps dust to keep it from entering the lungs). and funded by EIROforum. It stores blood, disintegrates old blood cells, filters foreign substances from the blood, and produces lymphocytes. *The NGSS logo is a registered trademark of WestEd. within type by subtype, then by grade, etc. Your immune system responds quickly when your body is threatened by potentially dangerous foreign invaders, such as bacteria and viruses. Do you agree with this alignment? They are DNA strands in a protective coating that use other cells to replicate. To learn more about the immune system, watch Our Amazing Immune System (video, 8:40) or listen to The Drama of the Immune System (podcast, 13:11), both created by the Exploratorium Teacher Institute. Types of immune responses: Innate and adaptive, humoral vs. cell-mediated. Another problem astronauts encounter is the closed spacecraft environment that increases the risk of spreading illness among crewmembers.
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