Adeveloping egg is ejected from the ovary at the appropriate stage of maturity in an event known as

Heredity has an impact on personal health, but environmental factors are important as well. select the best answer from the choices provided

Abnormal softening of a gland is known as

Transmission electron microscope are best for viewing a) microorganisms in pond water b) internal organs of a mouse c)internal structures of a cell d) surface features of a specimen