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Explain about the Oral cavity and alimental-y tract?
Various functional changes and decline in secretary function occur in the digestive tract with aging. These include:
Oral cavity - The dentition are affected, (loosening of teeth, tooth decay and gum deterioration with age), saliva secretion decreases leading to dry mouth (xerostomia).
Gastric - Reduced gastric secretion and gastric emptying is common in elderly. Some authors consider it to be due to aging whereas other investigators consider it to be due to helicobacter pylori. This affects the iron availability from the diet. Vitamin B,, deficiency also observed due to decreased gastric intrinsic factor. Due to the reduction in intestinal colon motility and poor muscle tone of abdomen along with decrease in dietary fiber intake and low physical activity associated with aging, constipation is a common problem observed.
Explain Taxonomy - Modern Trends in Animal Taxonomy The term taxonomy which is derived from the Greek word 'taxis', meaning order or arrangement and nbmos ' meaning law, deals
A In taxonomy, what is a "KEY" ? List the different types of keys. How are they prepared and what are they used for ?sk question #Minimum 100 words accepted#
Biostatics : This is the application of mathematics in living organisms. Biostatistics is a contraction of biology or statistics sometimes it is called as biometry or biometrics.
Q. What are the major structures of chloroplasts? Chloroplasts are involved by two membrane layers the inner and the outer membranes. Inside the organelle the formative unit is
The major function of the nerve cells of the body is contact. This is accomplished by passing electrical and chemical messages from neuron to neuron or from neuron to one other goa
Megaloblastic Anaemia Megaloblastic anaemia refers to the abnormal development of red cells i.e. megaloblasts in the bone marrow. Etiology It is due to lack of f
What are the stages into which photosynthesis is divided? Photosynthesis is separated into the photochemical stage, or light reactions, and the chemical stage. Photosynthesi
Increase in population size is known as population growth. It depends upon number of persons added to the population and number of persons lost from the population. Addition in pop
Explain about the Spinal Trauma? Spinal trauma or spinal cord injury, commonly clue to accidents, fills, sports injury can result in serious disabling consequences. The spinal
Define
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