15.1 Notes
Body Organization and Homeostasis
NAME:
The levels of organization in the human body consist of cells (smallest),
tissues, organs, and organ systems (largest).
Cell:
Cell Membrane:
Nucleus:
Cytoplasm:
Tissue:
The Four Basic Types of Tissue
Muscle Tissue:
Nerve Tissue:
Connective Tissue:
Epithelial Tissue:
Organ:
Organ System:
Chart of the 11 organ systems is on page 475.
Homeostasis:
Homeostasis is the process by which an organism's internal environment
is kept stable in spite of changes in the external environment.
Stress:
PHYSCIAL RESPONSES TO STRESS pg. 477
Fight or Flight:
Long Term Stress:
You must deal with stress to return to homeostasis. Physical exercise, eating
healthy, and getting appropriate sleep can help lower stress levels.
Section Review
1. Name the four types of tissue in the human body. Give an example of where each is located.
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2. Describe what happens to the body that allows it to have a successful fight or flight response?
3. What are 3 things that you can do to lower your stress levels?
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I did not give or receive help on this work nor am I aware of any infraction of the honor code.
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