Already have an account? Get multiple benefits of using own account!
Login in your account..!
Remember me
Don't have an account? Create your account in less than a minutes,
Forgot password? how can I recover my password now!
Enter right registered email to receive password!
Lungs - Respiratory Organs
In arachnid arthropods such as scorpion and spider, respiration takes place by means of book lungs. There are four pairs of these structures in the scorpion, opening at the four pairs of slit like stigmata on the ventral sternum. Each book lung takes the type of a small hollow sac (pulmonary sac) filled along with clusters of lamellae, 130 to 150 in number. These lamellae are disposed like the leaves of a book. The leaves are borne on an axis. Each leaf is hollow and the blood to be oxygenated flows in the narrow slit such as cavity, separated from the air by membranous walls. The spiracle opens into an atrial chamber. Each lung is enclosed in a pulmonary cavity. The lamellae consist of respiratory air derived from the atrium and blood circulates in the spaces among the lamellae. It is here that exchange of gases occurs through the thin walls of the lamellae. Air enters the lamellae by diffusion, but in some species the atrium is reported to generate a ventilating action by means of muscles.
Q. Signs and Symptoms diabetic ketoacidosis? The following are the signs and symptoms of DKA: 1) Increased heart rate (tachycardia) 2) Low blood pressure 3) Dehydratio
In During translation, the series of an mRNA molecule is examined from its 5' end by ribosomes that then synthesize an appropriate polypeptide. Together in prokaryotes and in eukar
Define Nutritional Requirements of Fats and Oils during Infancy? Adequate breast-feeding ensures 30 g fat intake by infants, of which 10% is linoleic acid and 1% is linolenic a
Some of the reason for increase in population is: 1. Decline in death for an increase in life expectancy or longevity. 2. Better medical facilities
Explain the Pathogens of forest insects? Caterpillars that defoliate forest trees have main economic impacts. Many such species go through periodic outbreaks. The forces which
Q. What are venous vessels, venules and veins? Venous vessels are every blood vessel that carries blood from the tissues to the Venules, Veins and heart are venous vessels. Ven
Kinds of Matter On basis of its chemical organization, matter id of three categories elements, compounds and mixture An element is composed of obviously, earth similar atoms
What proportion of children with down syndrome do you expect when women with down syndrome have children with men who have 46 chromosomes? justify answer
Explain metachrosis in frogs? How it is different from change of skin colour of chemleon?
Describe Pulsation in cardian examination? 1) Apex impulse; lowest and outermost point of definite cardiac pulsation. 2) Prominent pulsations in left parasternal region suggest
Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!
whatsapp: +1-415-670-9521
Phone: +1-415-670-9521
Email: [email protected]
All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd