Mammalian heart is myogenic and regulated by specialized nodal tissue. Where does the cardiac impulse originate?

The mammalian heart is myogenic and it is regulated by nerves. The heartbeat originates from

The bones are held together by elastic tissues are called–

Which of the following roles is/are played by epididymis, vas deferens, seminal vesicles and prostate in male reproductive system of human?

Which one of the following is the special type of milk produced by a lactating mother, essential for the development of immune response of newborn baby in human?

The parts of the skeleton that are not as hard as bones and which can be bent are called as