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Explain process to Control of Breathing?
The rate of breathing is controlled by the medulla, the segment of brain stem just above the spinal cord. If the brain stem is cut just above the medulla, the basic breathing mechanism is left intact. The level of oxygen, or pO2 , provides little feedback information, but excessive carbon dioxide in the air causes breathing to become deeper and more rapid, even in the presence of excess oxygen. In extreme situations of oxygen depletion, chemosensors located on the large blood vessels leading to the heart, the aorta, and carotid arteries send impulses to the respiratory centers, causing an increase in respiratory rate.
Muscle cells have another oxygen-carrying molecule called myoglobin, which consists of only one polypeptide chain with an iron-containing structure that binds one molecule of oxygen. This molecule serves as a reserve for periods of high oxygen demand in certain muscles. The energy required for the body to maintain life processes while at rest is called the basal metabolic rate, or BMR.
Define Glycogenolysis Glycogenolysis : degradation of glycogen.
Class Pycnogonida of Phylum Arthropoda Measures generally 3-4 mm; body chiefly made up of cephalothorax, abdomen being very small; generally four pairs of walking legs; long p
Q. What are respiratory pigments? What is the respiratory pigment present in some arthropods? Which is the analogous molecule in humans? Respiratory pigments are molecules able
Which one of the following is not a lateral meristem? 1. Intrafascicular cambium 2. Interfascicular cambium 3. Phellogen 4. Intercalary meristem Intercalary m
Define Methods of Quantitative Analysis and Colorimetry? Many methods of quantitative analysis are based upon the production of coloured solutions in such a way that the intens
Keel is characteristic of the flowers of : 1. Gulmohur 2. Cassia 3. Calotropis 4. Bean Bean
introduction
What is Class Asteroidea ? Sea stars are probably one of the most recognizable of all Echinoderms. Often beautifully colored and symmetrical, they are predators that feed vorac
what happens to the liver cell during the cell cycle
Define Control of infections for treatment for pem? Appropriate antibiotics should be started immediately since infections are the immediate cause of death in many children. Ch
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