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Blood
This consists of a fluid called plasma, which has red blood corpuscles (RBC), white blood corpuscles (WBC) and blood platelets. Blood circulates throughout the body in blood vessels. The blood transports oxygen, nutrients, hormones to tissues and organ..
Sub Cellular Changes
Plasma membrane: The permeability of the plasma membrane decreases due to the accumulation of calcium in the membrane. Endoplasmic reticulum: In the cytoplasm of old cells, granular ER decreases. In the nerve cells, nissl granules are decreased. Mitochondria: Mitochondri..
Question 3
Question: Blood is composed of ___________. 1. plasma and red blood cells 2. plasma and formed elements 3. red and white blood cells 4. red blood cells, white blood cells and platelets Answer: ..
Intracellular Receptors
We have discussed many dramatic effects of hormone, for instance, testosterone. Yet, its concentration in the plasma of adult human male is only 30 to 100 ng per ml. How can hormones in such tiny quantities have such widespread and selective actions? Unlike catecholamine and peptide horm..
Hypoparathyroidism
Less secretion of parathormone due to accidental damage to parathyroid during thyroidectomy lowers concentration of calcium ions in the blood and tissues due to excretion of calcium in the urine. This causes a condition described as Parathyroid tetany or hypocalcaemic tetany , characterised by mu..
Tail or Flagellum
It consists of a central axial filament, a thin layer of cytoplasm and an outer smooth plasma membrane. The axial filament is formed of 9 pairs of longitudinal fibres which extend upto the tip of the axial filament. In mammalian sperm, another set of nine thicker fibres is present outside..
The Solar System
The solar system consists of the sun and all the objects that travel around it. The solar system includes the earth and eight other planets, along with the satellites (moons) that travel around most of them; planet like objects called asteroids; chunks of iron and stone called meteoroids; bod..
Formed Elements
The formed elements are found freely suspended in the liquid plasma. There are three types of formed elements: Red blood corpuscles (RBCs) White blood corpuscles (WBCs) Platelet..
Question 13
Question: The liquid portion of the blood is called __________. 1. water 2. plasma 3. serum 4. sap Answer: ..
Components of Blood and Blood Cells
Formed Elements - The formed elements are found freely suspended in the liquid plasma. There are three types of formed elements: Red blood corpuscles (RBCs) White blood corpuscles (WBCs) Platele..
Result
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