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Physical activity is not just exercise.It includes other activities that involve movement; for example cleaning, running , active transport etc. Physical activity is defined as any voluntary bodily movement produced by skeletal muscles that requires energy expenditure. [1]
A female athlete who feels pressured to maintain a certain physique or body weight may exercise excessively and develop eating disorders to restrict calorie intake. Over-exercising increases the need for rest; her overall energy declines, causing her total body fat and estrogen levels to drop - a condition known as amenorrhea . [ 6 ]
Cooper studied the effect of exercise in the late 1960s and popularized the term "training effect" [13] although that term had been used before. [14] [15] The measured effects were that muscles of respiration were strengthened, the heart was strengthened, blood pressure was sometimes lowered and the total amount of blood and number of red blood cells increased, making the blood a more ...
Amanda Lear (née Tap or Tapp; [1] [2] born 18 June or 18 November 1939 or 1941 [8] or 1946 [9] [10] or 1950 [11] in Saigon [12] or Hong Kong [8] or Hanoi [13] [14]) is a French singer, songwriter, painter, television presenter, actress and former model.
D.F.J. Arago and A. Fresnel, 1819, "Mémoire sur l'action que les rayons de lumière polarisée exercent les uns sur les autres", Annales de Chimie et de Physique, Ser. 2, vol. 10, pp. 288–305, March 1819; reprinted in Fresnel, 1866–70, vol. 1, pp. 509–22; translated as "On the action of rays of polarized light upon each other", in Crew ...
Motion sickness occurs due to a difference between actual and expected motion. [1] [2] [4] Symptoms commonly include nausea, vomiting, cold sweat, headache, dizziness, tiredness, loss of appetite, and increased salivation.
The activities of nuclear facilities generate fission products with very high levels of radioactivity and lifetimes in the tens of millennia. [5] Additionally, there are actinides that are less radioactive but have lifetimes in the millions of years, such as neptunium-237, which has a half-life of 2.1 million years, [6] fission products with lower activity such as iodine-129 (half-life of 16 ...
Montréal-Pierre Elliott Trudeau International Airport. Montreal has two international airports, one for passenger flights only, and the other for cargo. Montréal-Pierre Elliott Trudeau International Airport (also known as Dorval Airport) in the City of Dorval serves all commercial passenger traffic and is the headquarters for Air Canada [1] and Air Transat. [2]