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From: Daniel K. Odell, Research Biologist
Category: Pick a Topic
Date: 4/20/99
Time: 5:16:58 PM
Remote Name: 151.145.250.253
Most animals that live in the deep ocean have a body tissues that are the same density as water. Basically, the pressure on the inside of the body is the same as on the outside and there is not squeeze. Many of these animals have biochemical adaptions that work under high pressure. The animals with potential problems are those with air pockets such as lungs and gas bladders. Some animals with lungs (birds) or gas bladders stay near the surface or are shallow divers. The lungs of deep-diving marine mammals actually collapse during the dive. Some deep water fish can change depth (and pressure) if they do so very slowly so that the amount of gas in their gas bladders can be changed.
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