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An adequate level of pressure is needed in the arteries to keep the blood flowing through the cardiovascular system. The chief determinant of arterial pressure is the volume of blood in the arteries and the important determinants of this are the cardiac output and the peripheral vascular resistance. The resistance offered by the arterioles accounts for almost half the total resistance in the systemic circulation. The muscle in the arterial wall allows them to constrict or dilate. When they constrict, the resistance increases and the blood pressure increases. The vasomotor centre in the medulla when stimulated sends impulses via the sympathetic to the smooth muscle in the arteries, arterioles and veins which results in their constriction.
A molecule that acts by transferring a phosphate group from an ATP molecule to another molecule would be called: A) hydrolase. B) lipase. C) transferase. D) ligase. E) kinase.
In holly, serrated leaves are dominant to smooth-edged leaves, and red berries are dominant to green berries. Two holly plants heterozygous for leaf edge shape and berry color are
who proposed trinomial system of classification? in ALLEN modules ans is Huxley & Stricklandt but in AAKASH its given Lamarck so what is correct?
Sensory Receptors Sensory information received by these receptors is transmitted through sensory fibres of peripheral nerves to sensory areas at different levels of spinal cord
Determine the Fluids and Electrolyte Requirement at high Altitude? In addition to cold induced diuresis, hyperventilation together with a dry environment at HA makes an individ
Reptiles Heart is incomplete 4 chambered, ventricles are not divided completely 2 auricels & 2 ventricles. Sinus venosus present, Truncus artiorsus absent [In lizzard fo
Obelia is considered to be of special interest in zoology as an animal showing an intermediate grade of organization?
Reversion flavor: The rapid oxidation of branched furan fatty acids on exposure to light, leads to the production of an intensive aromatic substance, which along with diacety
Q. Explain Short term complications? Short term complications may arise due to GERD which may in turn increase the frequency or severity of this disease. One of the complicatio
what is the classification of protozoa
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