Answer:
<h2>Humans beings haven't touched the ocean floor.</h2><h2>but the features is -The deep ocean is dark, very cold and has tremendous pressure from the overlying water.</h2><h2>Scuba divers can explore only to about 40 meters, while most submarines dive only to about 500 meters. Scientific research submersibles have explored the ocean’s deepest trenches, but most are designed to reach only the ocean floor.</h2><h2>Today much of our exploration of the oceans happens using sonar and remotely operated vehicles.</h2><h2>Features of the ocean include the continental shelf, slope, and rise. The ocean floor is called the abyssal plain. Below the ocean floor, there are a few small deeper areas called trenches. Features rising up from the ocean floor include seamounts, volcanic islands and the mid-oceanic ridges and rises.</h2><h2 />
Answer;
Radial nerve
Explanation
-The nerve that is most likely to be damaged as a result of his injury is the radial nerve.
-The radial nerve is a nerve in the human body that supplies the posterior portion of the upper limb.
-It innervates the medial and lateral heads of the triceps brachii muscle of the arm, as well as all 12 muscles in the posterior osteofascial compartment of the forearm and the associated joints and overlying skin.
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The tendon of the long head of the biceps muscle
http://anatomyzone.com/anatomy-feed/intertubercular-sulcus/