<span>The junction between the digestive tract and the respiratory system is the pharynx. </span>
Cutting is a physical property because you are not changing any of its properties...and the grass can regrow.
<span>This type of tissue is needed for parts of the body like the heart and airways that must frequently change shape/expand, and then contract again to force the blood and air throughout the body. Without this elastic ability, these tissues would deteriorate too quickly to be replaced by the body.</span>
