### person | explorer:

Diver
* Every diver is an individual and requires individual attention during their development.
* Many divers actually lose more heat between dives than when in the water
  - are obese
* Most divers come to surfaces
  - consume diets
  - know sharks
  - make minimal use of their muscles except when they fight a fish or free an anchor
  - share a love of the outdoors and the oceans
* Most divers use feet
  - work at depth
* Some divers carry fish
  - collect sponges
* Some divers consume breathe gases
  - die in accidents
  - do photography
  - exhibit an allergy to wetsuits, or the materials used in their construction
  - kick from the knees and there is very little movement at the hip
  - possess oysters
  - start off young by being introduced to various marine life
* Some divers use helium
  - scuba gear for short trips beneath the surface
  - spears
* also act as fish attractors due to their color and shape
  - kill a great number is sea urchins every year to feed other creatures
  - lose moisture from their bodies while breathing from aqualungs
* animals long-lived without food.
* are a diverse group who consider themselves conservationists.
* are able to collect rock cores from vertical walls on a coral reef
  - see schools of fish, shark, and giant manta rays
  - acutely aware of their breathing
  - athletes
  - ducks that swim and dive in deeper waters
  - especially protective of their food sources
* are located in oceans
  - particularly prone to brushing against hydroids
  - primitive water birds usually known in the USA as loons
  - some of the first people to notice a change in the marine environment
  - swimmers
  - very active in the weight room, tumbling and on the boards
  - workers
* breathe compressed air mixed with light, inert gases, such as helium.
* can develop a condition called avascular necrosis, which affects bones
  - follow the long columns of seaweed and light into the depths
  - help protect the environment in many ways
* can swim through tunnels that connect huge coral spur formations
  - with whales, dugongs, manta rays, huge cod or sharks
  - use less air while exploring the ocean bottom
  - work in shallow water to obtain cores into sediments and rocks
* carry torches at night.
* cause splashs.
* commonly dive out of boats , kayaks , tube floats or directly off the shore.
* encounter fish.
* enter tanks.
* explore regions
  - western regions
* face specific physical and health risks when they go underwater with scuba equipment.
* find sea urchins
* hold breaths.
* includes arms
  - corpi
  - legs
  - material bodies
  - nuclei
  - plasma membranes
  - vacuoles
* is an explorer
* limiting the time and depth of their dives can avoid nitrogen narcosis.
* need bones
  - dense bones
* never hold their breath, but inhale and exhale a normal breath steadily.
* often confuse flatworms and nudibranchs
  - find octopuses by locating the litter of shells that line the entrance to their dens
  - mistake fire coral for seaweed, and accidental contact is very common
* pass tests.
* practice skills.
* rely on the momentum of their fall to pursue their prey below the surface of the water.
* report currents running in opposite directions as they descend the water column.
* return to surfaces.
* risk life.
* say they invariably retreat into deeper water.
* see shells.
* share the water with an immense variety of marine life
  - inmense variety of marine life
* slowly emerge from the depth of sleep.
* sometimes entangle their gear in reefs.
* take breaths
  - deep breaths
  - samples on the ocean floor and record the quantity of species
* touch eyes.
* transport benthic chamber used to measure productivity and respiration.
* use a quadrat to quantify cover of reef benthic organisms
  - snorkel to conserve energy and air while on the surface
  - balloons to lift heavy things from the bottom
  - self-contained underwater breathing apparatus or scuba gear
  - single breaths
* usually wear drysuits in Alaska.
* want experience
  - ultimate experience
* wear lead weights on strong webbed belts to adjust their buoyancy
  - wet suits
* wearing exposure suits are more likely to benefit from the heat generation of exercise.
+ Abalone, Description, California: Gastropods :: Chinese cuisine :: Edible molluscs :: Gastropods :: Seafood
  * An abalone diver normally uses a very thick wetsuit, including a hood, booties, and gloves. He or she would also wear a mask, snorkel, weight belt, abalone iron, and abalone gauge. An abalone iron is used to pry the abalone from the rock before it can fully clamp down. Visibility is normally five to ten feet. Divers commonly dive out of boats, kayaks, tube floats or directly off the shore.
+ Decompression sickness, How to prevent decompression sickness: Health problems :: Diving
  * Divers find out how slowly to come up by using decompression tables or a dive computer. They may need to stop on the way up to wait for enough gas to get out before it is safe to go up further. This is called a decompression stop. The tables or computer will inform the divers what depths they must stop at and how long they must stay at each depth.
+ Scuba diving, Equipment: Diving
  * Divers also use snorkeling equipment. They wear a mask to see through, a snorkel for breathing near the surface, fins on their feet to swim better, and a wetsuit to keep them warm under water because water makes you cold four times as fast as air.