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Animal form and function!

Animal form and function!. Levels of organization: ----what comes before?. Histology: the study of tissues. Tissues: groups of cells which are similar in structure and which perform common or related functions. Four Basic Kinds of Tissues. Epithelial Tissue Connective Tissue

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Animal form and function!

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  1. Animal form and function!

  2. Levels of organization:----what comes before?

  3. Histology: • the study of tissues. • Tissues: • groups of cells which are similar in structure and which perform common or related functions.

  4. Four Basic Kinds of Tissues • Epithelial Tissue • Connective Tissue • Muscle Tissue • Nervous Tissue

  5. Epithelial Tissue • Epithelial Tissue Locations: • Covers the body • Lines the cavities, tubes, ducts and blood vessels inside the body • Covers the organs inside body cavities • Epithelial Tissue Functions: • Protection from physical & chemical injury, • Protection against microbial invasion, • Contains receptors which respond to stimuli, • Filters, secretes & reabsorbs materials and • Secretes serous fluids to lubricate structures.

  6. Connective Tissue • Connective Tissue: • Most abundant & widely distributed tissue • Connective Tissue Functions: • Connects, binds and supports structures, • Tendons, ligaments, etc. • Protects & cushions organs and tissues, • Insulates (fat) and • Transports substances (blood).

  7. Muscle Tissue • Muscle Tissue: • Associated with the bones of the skeleton, the heart and in the walls of the hollow organs of the body. • Muscle Tissue Functions: • Movement • Locomotion • Maintains posture • Produces heat • Facial expressions • Pumps blood • Peristalsis

  8. Identify the following cell organelles • Cell Organelles • cell membrane • cytoplasm • nucleus • nuclear membrane • nucleolus • chromosomes • chromatin

  9. List of the organ systems of the body!

  10. Levels of organization:----what comes before?

  11. Negative feedback! • Ex:

  12. Positive feedback! • Ex.

  13. Thermoregulation!

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