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.
The average birth weight for babies is around 7.5 lb (3.5 kg), although between 5.5 lb (2.5 kg) and 10 lb (4.5 kg) is considered normal. In general: Boys are usually a little heavier than girls. First babies are usually lighter than later siblings.