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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.
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Structure of human testis: The male reproductive system consists of a pair of testis. Testis are male reproductive organs and produce (male gametes) sperms and also secrete
What is the significance of torsion? An unusual twisting of the gastropod body which has left all members of class with an asymmetric body plan and a U-shaped alimentary tract,
species dynamicsresemble what
It is a category of viruses having RNA genome and reverse transcriptase enzyme within virus cuspid.
Q. Complications in celiac disease? Patients with severe form of celiac's disease for long period are at risk for several complications mainly due to nutrient absorption probl
PKU is a recessive disorder. Suppose two people who were heterozygous for PKU married and had a child. What is the probability that the child will have PKU?
pls explan 2 puc lesson
Tracheostomy Care A tracheostomy is an external opening made into the trachea in order to provide an artificial airway (an opening is made in the 2nd and 3rd or 4th trach
Q. What is Etiopathology? Who is likely to develop gout? What are the risk factors? Let us find out. Gout is caused when there is over production of uric acid in normal purine
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