When first attempting to learn something complex, look up children websites that discuss the subject; they provide easily understood definitions which will help you learn the more complex information. Feedback Loops The picture to the right is an example of a negative feedback loop.
Specific immunity is how we become immune to future infections from pathogens we have already fought off.
Specialized white blood cells, lymphocytes, come in two varieties: B cells and T cells. They are produced by stem cells in the bone marrow. There are three types of T cells: There are five types of antibodies and their structures are based on the same four polypeptide chains.
Signaling molecules can be further divided into paracrine, synaptic, and endocrine. Some cell communication occurs through cell junctions and is important for complex tissues to be able to function properly.
There are three major types of cell junctions: Hormones are secreted by endocrine glands and travel throughout the body. They activate receptor cells that produce receptor proteins, thereby creating a reaction. There are two major types of hormones: Nonsteroid hormones are usually made up of proteins or modified amino acids.
Key Topics—Immune and Endocrine Systems Remember that the AP Biology exam tests you on the depth of your knowledge, not just your ability to recall facts. While we have provided brief definitions here, you will need to know these terms in even more depth for the AP Biology exam. A foreign protein that stimulates the production of antibodies when introduced into the body of an organism Immune Systems: A kind of white blood cell in vertebrates that is characterized by a rounded nucleus; involved in the immune response Antibody: Globular proteins produced by tissues that destroy or inactivate antigens Immunity: A resistance to disease developed through the immune system Active immunity: Protective immunity to a disease in which the individual produces antibodies as a result of previous exposure to the antigen Endocrine Systems: Cell Communication Extracellular matrix: Material found outside of the cell Adrenaline Epinephrine: A mass of cells that have similar structures and perform similar functions Intestines: Part of the alimentary canal that extends from the stomach to the anus Click the button to the right for our full notes!Flashcard Machine - create, study and share online flash cards My Flashcards; Flashcard Library; About; Contribute; Search; Help; Sign In; Create Account.
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Departments. Paul Andersen explains the major elements in the endocrine system. He explains how glands produce hormones which target cells. He differentiates between water soluble and lipid soluble hormones.
Unformatted text preview: AP Biology Endocrine System ppt. notes Regulatory systems endocrine system and nervous system act individually and together in regulating an animal’s physiology: • Hormone ~ • Target cells ~ • Endocrine system/glands ~ • Endocrine glands ~ • Feedback.
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