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STAAR EOC Category 4

STAAR EOC Category 4. Organization of Living Systems. Organization of Cells in an Organism. Increase in size and specialization. Increase in number. Organism. System. Organ. Tissue. Cell. Nervous System. 1) Central nervous system : consists of: brain and spinal cord Voluntary :

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STAAR EOC Category 4

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  1. STAAR EOCCategory 4 Organization of Living Systems

  2. Organization of Cells in an Organism Increase in size and specialization Increase in number Organism System Organ Tissue Cell

  3. Nervous System 1) Central nervous system: • consists of: • brain and • spinal cord • Voluntary: • you consciously control (lift arm) • Involuntary: • without conscious control (breathing)

  4. Nervous System 2) Peripheral nervous system: -consists of all other parts of the nervous system. • Carries nerve impulses CNS to the body and back • Transmits sensory input from the body to the brain.

  5. Nervous System • Neurons (Nerve Cells): • Axon – sends signal • Cell Body – controls cell functions • Dendrite – receives signal • The space between nerve cells is called the synapse.

  6. Circulatory System Main Function: -Transport system. • The Heart: • is the pump of the circulatory system. • Arteries • carry blood away from the heart and • Veins • carry blood back to the heart.

  7. Immune System Function: • protects you from infections and illnesses. • Second Line of Defense: • inflammatory response • (swelling, redness due to histamine release), • fever • white blood cells that destroy pathogens

  8. Digestive System • Food is: • Broken down into smaller molecules….. • That can be used by: • Our cells • Alimentary canal Includes: • mouth • esophagus • stomach • small intestines • large intestines

  9. Respiratory System • delivers oxygen to the…. - -circulatory system • and helps remove -carbon dioxide.

  10. Respiratory System • https://www.youtube.com/watch?v=zRv5tNCMpyY

  11. Asthma • https://www.youtube.com/watch?v=7EDo9pUYvPE

  12. Reproductive System • Includes parts that… • Create s gametes like….. • Sperm and Egg • enables fertilization to create a…… • Zygote • in the female, supports the growth of the fetus. In the…. • Uterus

  13. Female ReproductionOvulation https://www.youtube.com/watch?v=nLmg4wSHdxQ

  14. Male Reproduction • https://www.youtube.com/watch?v=rlkqYm_LxgU

  15. Excretory System Responsible for removing…. • Wastes Pathway of Urine: Produced in the…. Kidney-> Ureter -> Stored in the…… Bladder -> Urethra

  16. Endocrine System • Communicates to the body by secreting: • chemicals called hormones. • Hormones regulate: • many different body functions. • Hormones are secreted by: • glands

  17. Q: Most viruses infect a specific kind of cell. Which of the following are infected by the human immunodeficiency virus (HIV)? F Helper T cells G Liver cells H GABA-receptor cells J Red blood cells

  18. F Helper T cells G Liver cells H GABA-receptor cells J Red blood cells Answer? Helper T cells. All the rest are body cells with specific jobs that do not relate to immunity. Ask yourself, which cell type deals with immunity?

  19. Q: Nutrients from digested food move from the digestive system directly into the — Endocrine system does not transport anything. So . . . Excretory system gets rid of waste CO2 and H2O, not food. So . . Integumentary system holds organs and tissues in place. So. . . A circulatory system B integumentary system C excretory system D endocrine system The Circulatory System carries everything to every cell, so it is . .

  20. Q: The medulla, part of the brain stem, reacts quickly to increased levels of CO2 in the blood and stimulates a response from the — A excretory system B immune system C respiratory system D integumentary system Increased respiration gets rid of excess CO2

  21. Q:

  22. Q: Which structure in the upper arm is responsible for raising the lower arm? A 1 B 2 C 3 D 4 In order to raise it, it must be attached, so its not 1 or 2. 4 is a bone not a muscle, so its answer: 3

  23. Q:

  24. Q:

  25. Q: The substances made by the endocrine system that carry information in the form of chemical messages are called – • Neurons • Impulses • Nutrients • Hormones

  26. Q: The two body systems most involved with providing nutrients to cells are the – • Digestive and circulatory systems • Digestive and nervous systems • Circulatory and respiratory systems • Digestive and urinary systems

  27. Q: The skin is the main organ of the integumentary system. Sweat glands in the skin produce perspiration to remove excess salts and water from the body. When the skin releases perspiration, it is acting as part of the- • Respiratory system • Urinary system • Excretory system • Nervous system

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