Which bone is considered the longest bone in the human body?

One important development during the 3rd trimester that will insulate the infant against changes in temperature is a. the deposition of fat under the skin b. the closing of the septum between c. the atria of the heart d. the beginnings of lung functioning e. the beginnings of light and sound sensing

Which of the following explains why a tree is often used as a model to represent the principle of common descent

How do all types of diffusion/passive transport actually ‘work’ without using even the smallest amount of cellular energy?