The fetus can stretch, kick, and make grasping motions. Eyes can sense changes in light. Bone marrow is forming red blood cells. Head may have some hair.

What is the function of the fetus?

An organ shaped like a flat cake. It only grows during pregnancy. The fetus takes in oxygen, nutrients, and other substances from the placenta and gets rid of carbon dioxide and other wastes.

What does the fetus produce?

Blood cells, kidney cells, and nerve cells all develop. The embryo grows rapidly, and the baby's external features begin to form. Your baby's brain, spinal cord, and heart begin to develop. Baby's gastrointestinal tract starts to form.