### weight:

Weightlessness
* Most weightlessness is experienced by astronauts
  - orbit astronauts
* Some weightlessness increases excretion.
* also leads to deconditioning of muscles and calcium loss in bones.
* can deplete the strength and minerals in astronauts' bones.
* characterizes almost everything about modern culture.
  - very different from Earth
* result of free fall.

### weight-lifting exercises:

Resistance exercise
* are weight-lifting exercises.
* can lead to increased swelling and damage to the muscles and joints.
* generate muscle tension on the bones.
* help replace flab with muscle.
* helps build muscle.
* is the most effective way to increase and maintain muscle strength.
* maintains skeletal muscle protein synthesis during bed rest.
* provides the stimulus for gains in muscle size and strength.

Welfare state
* are alive and well in most developed countries.
* have an effect on poverty reduction.

### well-defined hazard:

Wake turbulence
* is generated by all aircraft
  - maximum when the airplane is Heavy
  - the violent wind generated by large airplanes in flight
* well-defined hazard.

### well-known condition:

Fear of technology
* increases resistance to adopting new technology.
* well-known condition.

### well-organized:

Motorcycle gang
* Most motorcycle gangs are well-organized.
* called bosozoku are the bane of Japanese police.

### wells:

Injection well
* are wells.
* send waste underground into drinking water supplies
  - wastes underground into, above, and below underground drinking water supplies
* vary in their potential to contaminate ground water.

Western state
* All Western states share the same electricity grid.
* Most Western states have prison firefighting teams.
* Some western states recognize both absolute and conditional water rights.
* have a strong history of economic ties to Canada and Mexico
  - the highest proportion of extinct, imperiled and vulnerable fishes

### wet chemistry:

Biological chemistry
* includes the study of enzymes, vitamins, metabolic pathways, and body fluids.
* is wet chemistry.

### wheat flour:

Graham
* are lower in fat, higher in carbs.
* is wheat flour

### wheat-grass:

Crested wheatgrass
* is an introduced species, originally from Russian and Siberian steppe habitats.
* suppresses weeds.

### wheat-grass:

Quackgrass
* acts as a host for various pests.
* is fairly drought tolerant and it can withstand high quantities of salt
  - less aggressive in hot temperatures
  - native to Europe and Western Asia
  - often present when the time comes to remove alfalfa from the rotation
  - one the most troublesome perennial grassy weeds in our lawns
* often invades aging alfalfa stands.
* produces long sharp tipped aggressive rhizomes.
* spreads through a lawn by underground structures called rhizomes
  - very quickly, while bromegrass and fescue spread more slowly
* stands erect and can have many tillers.
* strongly rhizomatous, sod-forming, perennial grass.

White matter
* carries information between nerve cells by conducting electrical impulses
  - the nerve cells in the brain and spinal cord
* contains axonal processes plus glial cells.
* has a little more protein in it due to myelin and stains a little darker pink.
* includes all of the nerves, and much of the interior of the brain and spinal cord.
* is cut away from gray matter at top level to show nerves more explicitly
  - nervous tissue
  - the brain's circuitry
* is used to connect different areas of grey matter
  - of grey matter. * of grey matter. If a section of white matter is damaged, the brain may be able to find a different route to replace the lost connection. The brain contains a third kind of tissue, which appears darker

### white oak:

Burr oak
* are resistant to fire damage since they have a thick dense bark.
* is white oak