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Metanephridia - Excretion
Metanephridia are found in coelomates (e.g., annelids). These animals have evolved a close circulatory system intimately associated with the excretory organs resulting in direct exchange of material between the two systems. In these worms an isosmotic fluid appears initially in the nephridium due to filtration of the coelomic fluid through the ciliary mesh of the nephrostpme. Salt is later withdrawn from the fluid as it passes through the extensively looped duct and finally dilute urine is discharged.
The clinical manifestations of IE result from the local destructive effects of intracardiac infection; the embolization of bland or septic fragments of vegetations to
Excitation of Heart - Circulation The heart has an inherent capacity to contract rhythmically without any external stimulus. Proof of this is obtained when we see that the hea
Q. Associated Foods with escherichia coli? Associated Foods: E. coli is the etiologic agent of food poisoning involves variety of foods such as cream pie, mashed potatoes, cr
Counter current flow - Respiration Each filament has an upper and a lower row of flat lamellae. The lamellae of successive filaments are in close contact. Gas exchange takes p
What is the significance of Choanocyte? Unique collar-shaped cells whose flagella are responsible for generating water current in the sponge. As flagella beats, food particles
Give the introduction to evaluation of patient clinical examination ? A careful physical examinations is a very important for assessing the cardiovascular system and after prov
questions and answers on human impacts on environment
P A TTERN OF GROWTH - 1 . ISOMETRIC - In it an organ grows at the same rate as the rest of body. External form of body is not changed. eg. fish, locust. 2 .
Q. Show the Use of Incineration for sterilization? This is an excellent method for rapidly destroying materials such as soiled dressings, animal carcasses, bedding and patholog
Q. What is the notochord? How is this structure formed? The notochord is a rodlike structure that outlines the supporting axis of the embryo and gives birth to the vertebral co
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