True or false, in comparing the number of chromosomes in a body cell to that a sex cell, a body cell has twice the chromosome number of a sex cell

Synovial fluid serves as a lubricant to prevent friction between two parts that move on each other such as in the case of and bones.

Explain what causes the skin to burn in the sun? explain why people should avoid the sun if taking a photosensitive medication?

Which of the following defines scoliosis? a. a posture disorder characterized by the shoulders being rounded and the back hunched b. a posture disorder in which the spine curves up the back like a snake c. a posture disorder characterized by excessive curvature or arch in the lower back d. none of the above