Answer: E) tight junctions
Explanation:
Tight joints act as barriers that regulate the circulation of water and solutes between the epithelial layers. Tight junctions are classified as a paracellular barrier, which is defined as having no directional discrimination, but movement is largely dependent on solute size and load.
Experiment is a scientific procedure taken to test a hypothesis or demonstrate a fact
Their skin is accustomed to the warmth of the water in the shower and so by comparison the tile feels cold. It's like if you went from outside on a cold winter day to inside, you would instantly feel warmer.
The correct terms to fill in the blanks are antibodies and enzymes. Tears, saliva, and vaginal secretions are rich in antibodies and enzymes that break down and destroy many microorganisms. These antibodies and enzymes help in certain processes and mechanisms going on in the body. For instance, in the saliva, the enzymes present aids in metabolizing the food we take. It is the first step in the digestion process. One enzyme found in tears and saliva is the lysozyme. It is an enzyme that has the ability to break bonds in the cell wall of bacteria. It targets the layer of peptidoglycan of bacteria.