What are the functions of the somatic nervous system?

2 answers:

3 0

Major functions of the somatic nervous system include voluntary movement of the muscles and organs and reflex movements.

Anuta_ua [19.1K]4 years ago

3 0

The somatic nervous system is part of the peripheralnervous system. Major functions of the somatic nervous system include voluntary movement of the muscles and organs and reflex movements. In the process of voluntary movement, sensory neurons carry impulses to the brain and the spinal cord.

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What affect does binding a gas to a hemoglobin have on homeostasis

frutty [35]

Explanation:

Haemoglobin acts as a protein buffer.

Haemoglobin- oxygen binding in the blood is part of acid-base homeostasis. The cells within the brain or CNS ensure that more oxygen is taken into the lungs at a faster rate while carbon dioxide is removed; this aids in gaseous exchange and maintaining the pH of the blood- oxygen concentrations are kept high within the blood stream as blood circulates through the body.

Blood pH levels are typically within 7.35 --7.45. it is regulated by coordinated activity controlled by the brain, and carried out by the kidneys and lungs; along with red blood cells. When the body needs more oxygen, CO2 (as waste from cellular respiration), in the blood is converted to biarbonate increasing acidity; at the same time, H released in the reaction, and buffered by haemoglobin.

-The haemoglobin undergoes reduction by oxygen, and the pH level is maintained.

Further Explanation:

A typical oxygen disassociation curve shows haemoglobin’s percentage saturation at different oxygen concentrations (partial pressures). This shows the equilibrium between oxyhaemoglobin (haemoglobin in its oxygen bound state and haemoglobin (free of oxygen molecules). The saturation generally increases with increased partial pressures of oxygen.

Haemoglobin is an oxygen binding protein comprising four iron-based peptide subunits: two α subunits and two β subunits. Each molecule of haemoglobin has the ability to bind up to four oxygen molecules at a time; this occurs via cooperative binding- meaning that with increased haemoglobin- oxygen binding at the protein haemoglobin’s subunits,(where oxygen is a ligand) there is an increase in its affinity for oxygen.

This is because there is a conformational change in the hemoglobin molecule due to the altered orientation of the protein’s secondary structures, making it easier for a second molecule of oxygen to successively followed by more O2-Haem binding until the molecule is saturated- at this point the curve plateaus- it reached its carrying limit.

Hormones bind to chemical receptors in order to cause specific changes in target cells, these lead to changes in the body's internal environment called homeostasis. It includes the thyroid, parathyroid, pituitary, pineal and adrenal glands along with other regions.

Learn more about hemoglobin at brainly.com/question/5866353

Learn more about the circulatory system at brainly.com/question/10083364

Learn more about homeostasis at brainly.com/question/1601808

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3 years ago

Which of Virginia's watershed protection programs builds structures that protect areas from flooding?

Blababa [14]

Answer:

The Dam Rehabilitation Program

Explanation:

The Small Watershed Rehabilitation Amendments of 2000, which was well termed as the Dam Rehabilitation Program is mainly an amendment to PL-566 giving power and privilege to the Secretary of Agriculture to give aid to possessor of public dams created formerly under PL-566, PL-534, the RC&D Program and the Pilot Watershed Program.

This program was established in respect to the high levels of aging dams (greater than 11,000) esrablished across the nation from 1948 with a increasing amount that requires rehabilitation to keep up with the several importance they provide.

Dam Rehabilitation:

In Virginia, 150 dams is considered as belonging to the state’s landscape/infrastructure via the PL-566, PL-534, and Pilot Watershed programs. One care infer that, one-third of these dams requires maintenance, if not repaired, could lead to high dangers of environmental, economic, and social effects. The dams were constructed to preserve agricultural lands and small towns and regions from the endangering impacts of flooding. It also acts as a source of water supply and recreational opportunities, protecting fish and wildlife habitat, and preserving of water quality.

Some of the dams in the Dam Rehabilitation program in Virginia includesMarrowbone Creek in Henry County; Inch Branch, Robinson Hollow, Toms Branch, Mills Creek, Todd Lake, and Hearthstone Lake in Augusta County; and Royal Lake, Lake Barton, Woodglen Lake, and Huntsman Lake in Fairfax County.

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Pepsi [2]

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saveliy_v [14]

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