1. The Beginning of Human Life
... develop on the sides of the head. Another change is the development of the limbs, which started in the fifth week. The limbs looked like little paddles on the sides of the body. Internally, the second prominent change is the complete development of the heart, which by the end of the second month will have four chambers just like an adult heart. The embryo now has a rhythmic heartbeat. The internal sex ... the extra blood back to the heart. In the 9th month of pregnancy the baby is fully formed. The child will gain an ounce every day of the last month before the birth. The wrinkle of the ...
- Word Count: 1654
- Approx Pages: 7
- Grade Level: High School