Critical thinking is the ability to think clearly and rationally about what to do or what to believe. It includes the ability to engage in reflective and independent thinking. Someone with critical thinking skills is able to do the following 1  : understand the logical connections between ideas.  identify, construct and evaluate arguments.
Not Medical Advice: The uterus (which is continuous with the cervix) weighs 2.5 ounces (70 g) on average. It is a mostly solid, although hollow and composed of smooth muscle. It is pear-shaped, and typically measures 3 inches (7.6 cm) in length.
At the time of birth, most babies weigh about 7.5 pounds, and are 18-20 inches long, but it can vary with each baby, and there is no cause for concern. At birth the placenta will detach from the side of the uterus and the umbilical cord will stop working when the child takes his first breaths of air outside of uterus.