Answer:
The cells of the body's surface form the outer layer of skin. Inside the body, epithelial cells form the lining of the mouth and alimentary canal and protect these organs. Epithelial tissues help in absorption of water and nutrients
The brain is protected by the bones of the skull and by a covering of three thin membranes called meninges. The brain is also cushioned and protected by cerebrospinal fluid. This watery fluid is produced by special cells in the four hollow spaces in the brain, called ventricles.
Explanation:
The movement of any material from one place to another is a called a flux. Carbon moving from one pool to another would be considered a carbon flux. BY just having some of the pool's essence get into another pool would cause the carbon to be transferred. Such as if someone jumped out of one pool and then jumped into the next.
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Irregularly shaped area betweenthe two lungs, contains thetrachea. Diaphragm. muscular sheet that contracts to enlarge the thoracic cavity and draw air in. Pleura. Each lung is surrounded by a double layer serous membraneknown as pleura.
The four elements that living things are made up of are oxygen, carbon, hydrogen, and nitrogen - these make up about 96% of our bodies.
