Answer: Before about week 8 of pregnancy, a doctor may refer to the fetus as an embryo. The heart of an embryo starts to beat from around 5–6 weeks of pregnancy. Also, it may be possible to see the first visible sign of the embryo, known as the fetal pole, at this stage.
Answer: Anxiety around crowds can happen to people who have issue's with claustrophobia. It can also happen to people who are not comfortable around a crowd of people. Being shy however, is different. People can be shy around a crowd of people, but they can grow out of it or they can make a change to not feel as shy.
I hope this is helpful. :)
Hmm. Let's see. I don't think it's D. And recognizing sources in stress does help, but I think the first thing is knowing that someone has too much stress, so i think the answer is A.
Answer:
B D F
Explanation:
circulatory to get the white blood cells to where they need to go
immune to create the cells and kill the invaders
nervous to tell the body HEY GET TO WORK!!!!
