The first trimester begins on the first day of the last period and lasts until the end of week 12. During this trimester, the baby grows faster than at any other time. By six weeks, a heartbeat can usually be heard and by the end of week 12 the baby's bones, muscles and all the organs of the body have formed. The following is NOT included in the first trimester: Eyes and brain complete formation. Correct answer: D
The answer would be A) TRUE because that's what the word means, flex is used to move muscles and move around and bility is short for ability where its our capability to move in motion.
