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Water loss during excretion
In terrestrial animals body water is also lost during excretion of nitrogenous wastes. A number of physiological adaptations have taken place to minimise the loss of water associated with this phenomena. You have learnt in the previous Unit that among terrestrial invertebrates, insects are highly effective in conserving water.
In terrestrial vertebrates, kidney is the chief organ of osmoregulation and excretion. The loop of Henle is the specialised part of the nephron which produces hyperosmotic urine. Amphibians and reptiles which are unable to produce a hyperosmotic urine, as an adaptive consequence, cease urine production entirely during the period of osmotic stress.
Define Iron - The Micronutrient Iron, as you may be aware, is a trace element present in the body. The body contains approximately 3 - 3.5 g of iron of which about two thirds i
Infraorbital nerve and vessels The infraorbital nerve exits through the infraorbital foramen. This foramen and the neurovascular contents are within 5 to10mm of extremely resor
Cleavage - Metazoa The unicellular zygote begins cell division (cleavage). First, the single cell divides forming two cells, these redivide further to form four, then eight ce
Q. What are the main symptoms of the pulmonary and of the intestinal phases of the ascaris infestation? In the pulmonary period the ascaris infestation causes hemoptysis, cough
Functions of the Vascular System The major function of the circulatory system is to provide a transport mechanism for the blood flow to and from the heart. The vascular syste
What is Conventional breeding Conventional breeding is a process in which genes for pesticidal traits are introduced into a plant by natural methods, such as cross-pollination
Objectives of Diabetes Counselling 1. Facilitating decision to start treatment and change life style 2. Providing psychological, social and emotional support for a.
Gastrointestinal System The purpose of digestion is to change the food by chemical action and convert it into simple form to be utilized by various tissues. The process of dige
Q. What do you meant by Diabetic Ketoacidosis? Diabetic Ketoacidosis (DKA) is one of the acute complications of diabetes mellitus. The name itself implies that there is acidosi
What is a terrestrial organism? 'Terra' is the Latin word for earth. Thus, an animal that lives on the surface of the earth is known as terrestrial. This is the similar root wo
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