Test Reminder

Dear students,
Next test will be held on Wednesday, April 7th. The following content will be covered on test.

1. How does our body maintain homeostasis?
1.1. Understand the term “homeostasis” with examples related to daily situations.
1.2. Understand what a feedback mechanisms is through the study of examples from everyday life
1.3. Understand human feedback mechanisms in body systems: levels of glucose, carbon dioxide, calcium in blood, as well as exchange of gases in plants.
1.4. Understand what a negative feedback graphic looks like.

Vocabulary
Feedback mechanisms, negative feedback, glucose, pancreas, insulin, glucagon, guard cells, stoma, stomata, homeostasis, steady state, dynamic equilibrium.

2. How does the immune sytem works?
2.1. Understand disease as a failure of homeostasis.
2.2. Understand the first line of defense and the inflammatory response.
2.3. Understand how antibodies defend our body against antigens.
2.4. Understand the cell-mediated immune response.
2.5. Understand how allergies are related to immune system.

Vocabulary
Disease, immune system, skin, fluids, tears, mucus, stomach acids, saliva, inflammatory response, phagocytes, pathogens, microbes, histamine, macrophage, fagocyte, interferon, antigen, antibody, binding site, killer T cells, helper T cells, plasma cells, memory cells

3. How to boost the immune system?
3.1. Understand how infectious diseases are transmitted and learn preventive actions.
3.2. Understand how vaccination works.
3.3. Understand how AIDS destroy the immune system and how to prevent AIDS disease.
3.4. Understand how a normal cell becomes a cancer cell.

Good luck!