when do baby organ and heart start growing
Nostrils can be seen on the embryoâs face. The heart now has 4 chambers. At 8 weeks, the eyes and ears are growing, and your baby is about 2 cm long from crown to rump. The head is out of proportion with the body and the face is developing. The brain and the blood vessels in the head can be seen through the thin skin. The bones in the arms and legs start to harden and elbows and knees become apparent.