List all the ways the body defends
12/1/15 Admit Slip List all the ways the body defends itself from invaders Date: 12/1/15 Topic: Immune System Day 2 (MCAS) Page # ___ Date: 12/1/15 Topic: Immune System Day 2 Page # ___ Today in Room 326 HW: 1) Write a paragraph comparing/contrasting sexual and asexual reproduction 2) Have your parents call/text me ( ) CONTENT OBJ: SW describe how the bodys defenses protect against a virus LANG. OBJ: SW discuss in pairs, listen to video, write video notes, and read / match definitions AGENDA: Admit Slip 5 min Immune System Notes 15 min Exchanging Fluids 10 min STDS 5 min Sexual vs. Asexual Repro 10 min https://www.youtube.com/watch?v=CYq9gmjmH qM
Monsters Inside Me https://www.youtube.com/watch?v=CYq9gmjmH qM How do we protect against pathogens??
1st line of defense: skin/mucous membranes Non-specific 2nd line of defense: WBC (white blood cells) that killwhatever is around them Ex. macrophages, dendritic cells 3rd line of defense: WBC that target specific pathogens T cells/ B cells Specific But is the immune system perfect?
What can go wrong? Allergies- Examples? *Allergy = when the immune system overreacts to anon-harmful substance (ex. pollen, dog fur, etc.) Autoimmune disease Examples? *Autoimmunity = when the immune system turns onitself (auto means self) Common Autoimmune Disease?
AIDS Acquired Immunodeficiency Syndrome https://www.youtube.com/watch?v=coGWYHmsF 1w How are disease passed? *Transmission = passing of disease
Airborne particles move through the air, areinhaled by a host Fecal-oral microorganisms growing in feces aretransported to mouth (due to lack of hand washing!) Body fluids saliva, blood, semen, breast milk Fluid Exchange Activity
Directions: I will come around and hand you a test tube. Donot fool around with it, do not touch or drink theliquid, etc. In your notebook, set up a chart thatlooks like this: Record your numberin the initial column Test tube # Initial Round 1 Round 2 Results Directions On my go, find a person nearby and swap fluid with them.
You will swap fluid by 1) Completely dumping the contents of one test tubeinto another 2) Putting the entire contents back into the first testtube 3) Then splitting the solution evenly between testtubes Demo for the students Round 1 Find a person nearby and switch fluids with themas just demonstrated Record the number of the test tube you justmixed with in your chart Round 2 Find another person nearby and switch fluidswith them in the same manner Record their test tube number in the Round 2column of your graph Go back to your seat and wait quietly forinstructions What just happened? So when you first got your tube, this representedyou sitting home alone on a Friday night justchillin You got bored, and no one waschecking on you, so you decidedto go on an adventure Round 1 Hence, fluid switch #1
You walked down the street and stumbled upon a houseparty Curious,you decided to go inside In the house were tons of teenagers drinking variousconcoctions of different sodas and juices You see a friendly-looking person and walk over to sayhello They seem happy to talk to you, and offer you a sip of theirdrink Without thinking, you smile and take a nice long sip Round 2 Hence, fluid switch #2
After talking for several minutes with this person, youdecide they are boring. You politely say goodbye and continue to walk around thehouse. Sitting on a couch alone, you see an extremely attractiveperson. With a new boost of courage, you walk over to sayhello. They smile slyly when you approach, and invite you to sitdown. After talking for a while, you realize the door isclosed and you are both in the room alone. Before you know it, you are no longer talking ;) A couple days later Your annual doctors appointment is today so youmake your way to the office The doctor smiles and asks all the usual questionsDo you wear a seatbelt? Do you use protection?etc. Then the doctor informs you that you are due forsome tests. This particular test is for a disease that istransmitted by swapping fluids with another human. Lets find out your results The results are in I will go around and place a bit of indicator intoeveryones test tube If your liquid turns BLUE, you are SAFE (youhave NOT been infected) If your liquid stays clear and develops a lightyellow color, you are INFECTED Lets see! (Record your result of SAFE orINFECTED in your chart) Whose fault was it??? I will let you know that THREE of you wereoriginal carriers of the infection Based on who you swapped fluid with, can youdetermine who the culprits were?? If you were safe, that may help you or othersdetermine who passed around the infection! What does it mean? Compare this simulation with additional real-lifesituations. What are some other examples? Can you name a real-life infection that is spreadin this same manner? Be careful who you interact with, and how! STDs Stands for what? Sexually Transmitted Diseases Examples?
Gonorrhea Chlamydia Do all organisms reproduce sexually?
No! What is the other kind of reproduction called? Asexual reproduction Types of Reproduction*
What are they? Sexual Reproduction Makes genetically different offspring (50% of genes from mom, 50% from dad) Asexual Reproduction Makes genetically identical offspring (100% of genes from one parent) Repro Intro Videos Sexual reproduction:https://www.youtube.com/watch?v=tFZeyFbBLX E Asexual reproduction:https://www.youtube.com/watch?v=jk2RJm5RBE k Students- Fill in associated guided notes (tape into your journals!) Class Quiz Sexual vs. Asexual Reproduction do you know?
Class Quiz Sexual vs. Asexual Reproduction do you know? I will click on an organism and read a short blurb aboutits reproductive strategy. Create a table in your journal to write the organismname after you find out their strategy (see next slide) Raise your RIGHT HAND for Sexual Raise your LEFT HAND for Asexual Raise BOTH HANDS for Both Sexual Repro Asexual Repro Both Types of Repro Humans Types of Asexual Repro Pick a type of asexual reproduction
Draw a mini poster ( 8 x 11) thatillustrates the type with a nice, big, clearpictures MCAS tests this!! Budding Hydra buds meaning multiplies its cells and grows a new organism off the side of its body Homework Write a paragraphcomparing/contrasting sexual andasexual reproduction