Answer: There is not enough information to answer this question
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.
I agree with the other person - emotion is the part of consciousness that involves feeling or sensibility.
Feelings and emotions are the same thing - those two words are synonyms, which means their meaning is identical. So when you feel something, that particular something is called emotion or feeling, and is related to sensibility.
Hope this helps !!!
Explanation:
Blood enters the heart through two large veins, the inferior and superior vena cava, emptying oxygen-poor blood from the body into the right atrium. The pulmonary vein empties oxygen-rich blood, from the lungs into the left atrium.