The document discusses how the human body cannot survive in deep oceans due to effects of increased pressure and lack of oxygen. Specifically, it discusses how increased pressure and decreased oxygen levels affect the respiratory, cardiovascular and nervous systems, leading the brain to shut down and organs to cease functioning. It also mentions the normal conditions the human body requires to function and necessary scuba equipment to survive underwater.

1. Survival In Deep Oceans Laina Stuebner Biology II Period 4

2. Homeostasis The maintenance of a constant internal environment. Works to maintain the organism's internal environment within tolerance limits.

3. Normal Conditions Body Temperature between 96.7-98.2 degrees Fahrenheit Atmospheric Pressure of 1 atmosphere

4. Organ Systems Effected Respiratory Cardiovascular Nervous

5. Effects on Respiratory System Air is compressed, so each breath has more oxygen and nitrogen molecules filling the lungs Excess nitrogen molecules settle in the bloodstream

6. Effects on Cardiovascular System Excess nitrogen molecules settle in blood stream Less oxygen is carried by blood, depleting oxygen in other organs Nitrogen bubbles in blood stream can expand as pressure decreases, causing intense pain

7. Effects on Nervous System Less oxygen is available for the brain Nerves become less responsive Response time is greatly increased due to lack of oxygen

8. Overall Effects Lack of oxygen causes brain to shut down Decreased temperature causes certain organs to cease functioning Nitrogen in bloodstream causes less oxygen to be carried

9. Necessary Equipment SCUBA Compressed Air tank with a pressure regulator to provide air Wetsuit to control body temperature

10. Can Humans Survive in Deep Oceans? No, the human body cannot adapt to the increased pressure and lack of oxygen in the deep ocean