How is the human body organized? Give examples of each level of organization.
Cells- Bone cell
Tissue- Muscule tissue
Organ System- circulatory system
Explain how feedback mechanisms work in maintaining homeostasis.
With homeostatasis, the body has a set point in which it tries to maintain. Negative Feedback allows the body to become stablized in the internal environment by regulating the body's temperature.
How are oxygen and carbon dioxide exchanged in the lungs?
The process of taking air into the lungs is called inhalation or inspiration, and the process of breathing it out is called exhalation or expiration. You breath in Oxygen and exhale Carbon Dioxide.
Give examples of how organ systems in the human body interact with one another.
Each system relies on the other to keep the body functioning. The systems of thebody includes the circulatory, immune, skeletal, excretory, muscular, endocrine, digestive, nervous and respiratory.
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How do drugs and alcohol affect the brain?
prolonged liver dysfunction as a result of chronic alcohol abuse can harm the brain and lead to a potentially life-threatening brain disorder called hepatic encephalopathy. Drug abuse can cause the brain’s circuitry to deteriorate, resulting in loss of memory, decreased learning capability and an increased risk of strokes and heart attacks.