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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 Salt is later withdrawn from the fluid as it passes through the extensively looped duct and finally dilute urine is discharged.
Thermal Properties The range of temperature variatidn in the aquatic environment is smaller in comparison to air. This means the rate of change of temperature is slower in the
Q. Do protozoans have a cellular nucleus? All protozoans, as eukaryotes have nucleus, some species like the paramecium have two nuclei the micronucleus and the macronucleus.
Nicotinamide nucleotides These coenzymes are derived from the vitamin, niacin. They are of two types, nicotinamide adenine dinucleotide (NAD') and nicotinamide adenine dinu
People with Type 1 DM produce no insulin. People with Type 2 DM do not always produce enough insulin. Insulin is used medically to treat some forms of diabetes mellitus. Patients w
Define about the Pyranose and Furanose ring structure? Monosaccharides forming a five-sided ring or a five membered ring (4 C and 1 O), like ribose, are called furanoses. Those
PERMANEN T METHOD - 1. Vasectomy in male. 2. Tubectomy in female. 3. Leproscopy is used in tubal ligation , to ligate fallopian tubes.
What is Exposure Assessment Exposure Assessment : The qualitative and quantitative evaluation of the degree of intake likely to occur.
Q. What Treatment should be used for cardiac tamponade? Percutaneous Pericardiocentesis Cardiac tamponade is an acute emergency and percutaneous pericardiocentesis must b
how animals respiratory
Q. What are arterial vessels, arterioles and arteries? Arterial vessels are every blood vessel that carries blood from the heart to the tissues, arterioles and Arteries are art
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