And you would be right in just about every instance. But for veterans with service-connected disability ratings, the math doesnât always work out quite so easily. In fact, 30 + 20 might only equal 44, which rounds down to 40. Or it might equal 48.4, which rounds up to 50.
Exteroceptors are the afferent nerve endings that sense stimuli originating from outside of the body, such as pain, touch, vibration, temperature, and sound. One type of exteroceptors are known as mechanoreceptors, which are receptors that respond to external mechanical stimuli such as touch, pressure, and vibration.
0. EXPERT ANSWER. Dorsal nerve cord are the embryonic feature of chordates while ventral nerve cord forms the nervous system of some invertebrates. Nerve chord consists of a notochord, pharyngeal slits and post anal tail.Notochord is the chief distinguishing feature of Chordates, which is a dorsal longitudinally running rod.It lies between the dorsal nerve tube and the gut. It increases locomotory power and internal support.. EXPERT ANSWER. Dorsal nerve cord are the embryonic feature of chordates while ventral nerve cord forms the nervous system of some invertebrates. Nerve chord consists of a notochord, pharyngeal slits and post anal tail.