Animal cells tissues body systems

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These are the notes pages that go with our presentation that we use in our Biology class.

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Animal cells tissues body systems

  1. 1. Animal Cells, Tissues and Systems Levels of organization Cells— Tissues— Organs— Organ Systems— Tissue Types Epithelial—
  2. 2. Homeostasis— All body systems work together to maintain homeostasis Negative Feedback Examples of Temperature Control (Ways to maintain homeostasis) Endotherm— Ex. birds and mammals Ectotherm— Ex. reptile, amphibians, fishes Body Systems 1. Nervous System— Function—controls and coordinates functions throughout the body and responds to internal and external stimuli. Steps of synaptic nerve activity 1. 2. 3. 4. Frontal Lobe: making judgments, forming plans, evaluating consequences
  3. 3. 2. Skeletal System— Function—supports the body, protects internal organs, allows movement, stores mineral reserves, and provides a site for blood cell formation. 3. Muscular System— Function—works with skeletal system to produce voluntary movement, helps to circulate blood and move food through the digestive system 4. Integumentary System— Function—serves as a barrier against infection and injury, helps to regulate body temperature, provides protection against ultraviolet radiation from the sun E—sebaceous (oil) gland
  4. 4. 5. Circulatory System— Function—carries oxygen, nutrients, and hormones to the cells of the body, helps fight infection, carries cell waste to the kidneys, helps regulate body temperature 6. Respiratory System— Function—provides oxygen needed for cellular respiration and removes excess carbon dioxide from the body. 7. Digestive System— Function—breaks down food into simpler compounds that the cells of the body can use, absorbs nutrient, absorbs water, eliminates waste.
  5. 5. 8. Excretory System— Function—eliminates waste in ways that maintain proper water and salt balance (homeostasis)
  6. 6. 9. Endocrine System— Function—controls growth, development, and metabolism, sexual maturity (reproduction), also maintains homeostasis 10. Reproductive System— Function—produces reproductive cells, eggs in females, sperm in males, provides for the developing embryo 11. Lymphatic/Immune Systems— Function—helps protect the body from disease, collects fluid lost from blood vessels and returns the fluid to the circulatory system

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