In children, lymphatic tissues such as adenoids, tonsils, and lymph nodes enlarge as growth continues and from exposure to microorganisms.

Give the biological term for: structures that display characteristics of living organisms only within living cells

When is your respiration rate likely to change? a. when your intestines are digesting b. when your cells have too much glucose c. when your cells need more oxygen d. when your liver is working after a meal

Q: a: in sexually reproducing animals, once fertilization of the egg takes place, the exists as a single cell until cell division begins