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q how do fishes do gas exchangefishes breath through gills branchiae or gills are highly vascularized organs specialized in gas exchange under water
q how does the swim bladder of fishes work allowing fishes to control their depth under waterfrom hydrostatics it is known that an object does not
q how different are the swimming strategies in chondrichthyes and in osteichthyes why do sharks need to agitate their body to swim while bony fishes
q what are the major features of fishes associated to the habitat where they livefishes are all aquatic animals and thus they have a hydrodynamic
q from which features do osteichthyes and condrichthyes get these nameschondros means cartilage ictis means fish both from the greek the name
q what are the two major classes into which fishes are dividedans fishes are divided into two major classes osteichthyes bony fishes tuna sardines
q chordate identity card how are they characterized according to examples of representing beings type of symmetry basic morphology germ layers and
questioni want to know the number of pixels related to the actual phase value in an image and want to separate the zero phase valued pixels from the
an object 48 feet tall casts a shadow that is 144 feet long how long in feet would the shadow be for an object which is 168 feet
the number of seats in each row can be modeled by the formula cn 16 4n when n refers to the nth row and you need 50 rows of seats a
a glass prism in the shape of a quaeter-cylinder lies on the tablea uniformhorizontal light falls on its vertical plane surfaceas shown in the
i have a question that hurts my head to work out it is really confusing for me it sais quot by the start of the 21st century only 1 in 6 babies in
0265g of an organic compound produced on evaporation 102cm3 of vapour at 373k and 775mmhgpercentage composition of the constituents elements are 9224
q define pacinian corpusculespacinian corpuscules are an example of sensory receptors scattered deep in the subcutaneous tissue underlying skin or in
q describe sensory receptorsreceptor organs can detect external or internal stimuli they can be classified according to the stimulus to which they
q what is the use of adrenergic receptoradrenergic receptors are also subdivided into 2 major categories alpha alpha - or- beta betain general when
q what do you mean by neurotransmitters- nicotinic receptors nicotine mimics the effects of ach here found at nm-junction ans ganglions in general
q nervous system control of blood pressuremost nervous controls are achieved via involuntary reflex arcs involving pressoreceptors the vasomotor
q show the regulation of blood pressurenervous system control of bpmaintains primarily an adequate systemic bp and alters blood distribution in body
q what functions regulates by hypothalamushypothalamus - main visceral control center of the body yet small in size central to virtually all
q show geniculate bodies of the thalamusthalamus - two large circular shaped masses at roof of 3rd brain ventricle contains many different nuclei
q show imbalances of basal nucleibasal nuclei - gray matter islands located deep within cerebral white matter these nuclei process a variety of
q define cerebral hemisphere tissuecerebral white matter - the remaining cerebral hemisphere tissue is the deeper cerebral white matter 60 of
q what are anteromedial aspects of temporal lobesolfactory cortex - found in anteromedial aspects of temporal lobes receive sensory information
q what do you mean by primary visual and auditory cortexprimary visual cortex - in posterior aspects of occipital lobes receives visual