<span>A woman's ovary is sixteen times the size of a single sperm. This allows said sperm, or any of its friends, to penetrate the ovary with ease and precision. The ovary will also serve as the home for this sperm during its growth, proving that its larger size has multiple purposes in assisting in sperm growth.</span>
Sea stars (or starfish) feed off the oyster beds. If the oyster beds were destroyed it would deplete the major food source of the sea stars and they would begin to diminish.
Grade II Concussion
The brain is made of soft tissue. It's cushioned by spinal fluid and encased in the protective shell of the skull. When you sustain a concussion, the impact can jolt your brain. Sometimes, it literally causes it to move around in your head. Traumatic brain injuries can cause bruising, damage to the blood vessels, and injury to the nerves.
...strong hydrogen bonds between the oxygen and hydrogen atoms of neighbouring atoms increases the amount of energy needed to cause water to change states.