Biology, 14.12.2019 05:31 mimi19374

Which of the following target organs/systems is affected by the sympathetic nervous system but is not affected by the parasympathetic nervous system?

a. lungs
b. cellular
c. metabolism
d. salivary glands
e. gallbladder

Answers: 3

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Answers

Answer from: YungToeSuck

Option B, Cellular Metabolism

Explanation:

The sympathetic nervous system is responsible for maintaining the homeostasis for internal organs and also regulates the stress responses. It thus helps in regulating the cellular metabolism and physiologic functions. The Norepinephrine takes care of physiologic functions while the epinephrine takes care of metabolic effects such as hyperlipemia, enhanced usage of oxygen, hyperlactacidemia etc,.

The cellular metabolism is taken care of by PGC-1α (a transcriptional regulator) which interacts with several transcription factors such as gluconeogenesis, fatty acid oxidation, metabolic rate, glycolysis etc.

Hence, option B is correct

Answer from: Quest

i think that d. wind is the answer. i missed the question when i answered a. currents.

Answer from: Quest

answer: carbon 14 can only be used to determine the age of the organisms that were once living, and igneous rocks are non living.

explanation:

carbon 14 dating is used to determine the age of the sample by estimating the amount of carbon 14 present in the sample and then comparing it with a reference standard.carbon 14 is a isotope of carbon which is radioactive and unstable. carbon 14 is assimilated by all plants and animals throughout their life from carbon dioxide. however, one the organisms die they stop this assimilation and the carbon 14 content starts to decrease.by knowing how much of carbon 14 is left in an organism after his death, one can estimate the age of the organism. the materials whose age can be estimated by carbon 14 method are the organic compounds. however, some inorganic compounds such as aragonite shell can also be dated.however, if we consider the igneous rocks it is a non living component which never accumulated carbon 14 in it and thus, we cannot use carbon 14 dating method to estimate its age.

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Which of the following target organs/systems is affected by the sympathetic nervous system but is no...