Answer: Basic Principles of Gas Exchange
Gas exchange during respiration occurs primarily through diffusion. Diffusion is a process in which transport is driven by a concentration gradient. Gas molecules move from a region of high concentration to a region of low concentration.
Explanation:
Gas Exchange with Tissues
Gas exchange occurs in the alveoli so that oxygen is loaded into the bloodstream and carbon dioxide is unloaded from the bloodstream. ... Oxygen diffuses into the cells of the tissues, while carbon dioxide diffuses out of the cells of the tissues and into the bloodstream.
Hope it helps
The early shape of the fetal brain most resemble a tube. The fetal development starts after conception. After about four weeks the neural tube together with the back is closing. The fetal brain and the spinal cord will develop from the neural tube. Then the other organs and the heart are also starting to form.
The answer osteoarthritis which is degenerative arthritis . It is the leading cause of disability in America. An infection or injury to the joints can exacerbate this natural breakdown of cartilage tissue. Joint pain, stiffness, and swelling are the most common symptoms of arthritis.
