In the womb the first sense developed is Touch. It happens at about the 8th gestational week. Far earlier than the sense of hearing that develops around the 22nd gestational week.
Yes, hearing is one of the first senses to develop in a fetus, usually by the end of the second trimester of pregnancy. The auditory system begins to function early on, allowing the fetus to hear sounds from the external environment.
The Heart.
The nervous system of a fetus begins to develop during the first trimester of pregnancy.
The heart is the first organ to develop in a fetus. Together, blood and the circulatory system, that is powered by the heart, form the first organ system.
Nerves begin to develop in a fetus during the first trimester of pregnancy, around the 3rd to 4th week after conception.
Fingers and toes develop during the first trimester of pregnancy in a human fetus.
Nerves begin to develop in a fetus during the first trimester of pregnancy, around 5-6 weeks gestation.
The central nervous system develops in a fetus during the first trimester of pregnancy.
The first sense to develop fully in children is the sense of touch. During gestation, the skin begins to form around the eighth week, and by the third trimester, a fetus can respond to touch. This early development of tactile sensitivity plays a crucial role in bonding and exploring the environment after birth. Other senses, such as taste and smell, also develop early but touch is the most advanced at birth.
After the first eight weeks, the embryo is referred to as a fetus. At this stage, the major organs have formed and the fetus continues to grow and develop until birth.
The first organ to develop in the embryo is the heart. In a fetus, there is a brain, but it isn't fully developed and can't understand signals from the nervous system. Therefore the first functional organ would be the heart. But the first thing to start developing in a fetus is the nervous system. ( no that isn't an organ )
No, it is not possible for a fetus with a tail to develop normally during pregnancy.