Q: Q: The human body has as many as two trillion lymphocytes, and lymphocytes make up about 25% of all of what?   A:

A: leukocytes


Q: Q: Gravitational force on a large scale dominates interactions between large objects because it is always what?   A:

A: attractive


Q: Q: If the frequency of the electromagnetic wave is the same as the natural frequencies of the system, the transfer of what is much more efficient?   A:

A: energy


Q: Q: What branch of biology focuses on heredity?   A:

A: