metabolism

Other Biochemistry Terms

Comparative Nitrogen Excretion
This is made possible by a muscular ridge that subdivides the ventricle during ventricular diastole and completely divides it during ventricular systole. The salt content of the blood of marine fishes is less than half that of seawater see below Evolution of the vertebrate excretory system ; consequently, marine fishes tend to lose water and gain salt. Salt glands of birds likely evolved from nasal glands of reptiles, probably in the late Paleozoic. There is usually one pair of aortic arches. In the mid-Permian period, the climate became drier, resulting in a change of fauna: To produce antivenom, a mixture of the venoms of different species of snake is injected into the body of a horse in ever-increasing dosages until the horse is immunized.

Elimination

Origin of Reptiles

Examples of metabolism in a Sentence studying the metabolisms of various organisms. Meanwhile, the blood concentration of acetaldehyde — a highly toxic compound that is carcinogenic, causes headaches and vomiting, makes people blush after drinking, and is produced during the normal alcohol metabolism — remained extremely low. Tests on drunk mice show promise," 11 May Not only did calorie restriction slow the metabolism of participants, lower levels of oxidative damage were seen when measured by a compound in urine.

These herbs may affect the metabolism of warfarin, the researchers hypothesize, which may reduce its anticoagulation abilities or cause bleeding episodes. When cells use MCTs instead of glucose for fuel, the body's metabolism is boosted for up to 24 hours, says Dr.

One way metabolism can be measured is by how much oxygen is used up over time, as all animals including us use oxygen in the process of creating energy from food or fat stores.

The metabolism rate differs for reasons not completely yet understood. Other Biochemistry Terms bile , biodegradable , capsaicin , keratin. Definition of metabolism for English Language Learners. Learn More about metabolism See words that rhyme with metabolism Spanish Central: Seen and Heard What made you want to look up metabolism?

Need even more definitions? Get Word of the Day daily email! For information about waste disposal in the biosphere, see biosphere and conservation. We welcome suggested improvements to any of our articles. You can make it easier for us to review and, hopefully, publish your contribution by keeping a few points in mind.

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Page 1 of Next page Types of waste: Learn More in these related Britannica articles: The biosphere is a global ecosystem composed of living organisms biota and the abiotic nonliving factors from which they derive energy and nutrients.

The blood carries the waste products of cellular metabolism to the excretory organs. The removal of carbon dioxide via the lungs has been described above. Water produced by the oxidation of foods or available from other sources in excess of needs is excreted by…. The main route of drug excretion is through the kidneys; however, volatile and gaseous agents are excreted by the lungs. Small quantities of drugs may pass into sweat, saliva, and breast milk, the latter being potentially important in breast-feeding mothers.

Some chemicals, rapidly excreted in the urine, must act quickly while they remain transiently in the body. Others are poorly eliminated, and, because of this, a chronic ingestion of nontoxic amounts leads to a buildup in the body that can reach toxic….

Fishes and amphibians blood In blood: Excretion purification rites and customs In purification rite: Physiological processes uremia In uremia vitamin metabolism In vitamin: Metabolism elimination of drugs In drug: Absorption, distribution, metabolism, and elimination In drug: Elimination poisons In human disease: Customize your planes with your own paint jobs and pilot uniforms. Trade plane parts among your friends, and compete in worldwide group events.

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