<span>Sternum is not a major muscle in the human body. Sternum is t</span>he long flat bone in the upper middle of the front of the chest. It is also called a Breastbone. Sternum <span>the </span>sternum<span> helps protect the internal thoracic viscera - such as the heart, lungs and oesophagus</span>
It is b or the second answer choice shown
Answer:
ATP can be used to store energy for future reactions or be withdrawn to pay for reactions when energy is required by the cell. Animals store the energy obtained from the breakdown of food as ATP. Likewise, plants capture and store the energy they derive from light during photosynthesis in ATP molecules.
It is made up of many layers and becomes sandy but rough