What are Nodes of Ranvier?

State True or False: The gaps on the cyton are called Nodes of Ranvier.

What are Lymph nodes?

What are chordae tendinae and what is their function?

What is Calculus ? What are the types of Calculus ?

The equation for the vibration of a string, fixed at both ends vibrating in its third harmonic, is given by y = (0.4 cm) sin[(0.314 cm^-1) x] cos[f(600pis^-1)t] .(a) What is the frequency of vibration ? (b) What are the positions of the nodes ? (c) What is the length of the string ? (d) What is the wavelength and the speed of two travelling waves that can interfere to give this vibration ?

What are neurons? What are their functions.