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The highest values are found in the mammals which dive deepest and longest. Volume of blood is generally relatively large in proportion to body mass, and blood haemoglobin content can be increased during a dive from red blood cells stored in the spleen. [103] Body size is a factor in diving ability.
Lead poisoning, also known as plumbism and saturnism, is a type of metal poisoning caused by lead in the body. [2] Symptoms may include abdominal pain, constipation , headaches, irritability, memory problems, infertility , and tingling in the hands and feet. [ 1 ]
Body size is a factor in diving ability. A larger body mass correlates to a relatively lower metabolic rate, while oxygen storage is directly proportional to body mass, so larger animals should be able to dive for longer, all other things being equal. Swimming efficiency also affects diving ability, as low drag and high propulsive efficiency ...
Uncontrolled descent is usually caused by failure to control buoyancy during the descent. Consequences depend largely on the depth. In shallow water the diver will inevitably be stopped by reaching the bottom, at which point corrections can be made, and in the worst case weights can usually be dropped.
Factors such as temperature, humidity, and the season of death all determine how fast a fresh body will skeletonize or mummify. A basic guide for the effect of environment on decomposition is given as Casper 's Law (or Ratio): if all other factors are equal, then, when there is free access of air a body decomposes twice as fast as if immersed ...
Estrogen forms a negative feedback loop by inhibiting the production of GnRH in the hypothalamus. Inhibin acts to inhibit activin, which is a peripherally produced hormone that positively stimulates GnRH-producing cells. Follistatin, which is also produced in all body tissue, inhibits activin and gives the rest of the body more control over the ...
The researchers then tracked changes in the participant’s weight, diet, and body composition over the course of a year. While everyone lost weight during the study period, the researchers ...
Serum albumin is produced by the liver, occurs dissolved in blood plasma and is the most abundant blood protein in mammals. Albumin is essential for maintaining the oncotic pressure needed for proper distribution of body fluids between blood vessels and body tissues; without albumin, the high pressure in the blood vessels would force more ...