Which of the following statements is true about membranes? A. Mucus membranes line cavities that have an external opening in the body. B. Serous membranes line internal cavities that have no external opening in the body. C. When a membrane is attached to an organ it is called a visceral membrane. D. All of the above.

Looking at this image, what relationship can be drawn from it? the lower the degree of latitude, the lower the degree of temperature there is no relationship between latitude and temperature the higher the degree of latitude, the higher the degree of temperature the lower the degree of latitude, the higher the degree of temperature

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

During the process of two rails or sides break apart and attract new nucleotide bases to form a new and complete strand.