All substances take up the least amount of volume in their (1.) solid phase, a little more volume in their (2.) liquid phase, and the largest amount of volume in their (3.) gas phase. The closer atoms or molecules get to one another, the less volume is occupied by the substance that they comprise.
Human bites can be either accidental or intentional. Intentional bite injury: This generally happens during fights and can result in a wide range of injuries from minor bruising to partial loss of body parts (for example, ears or nose).
The human jaw can exert a suprising amount of force when it bites down. A human bite has been tested to a force of an average 117 to 265 lbs. Some humans can bite with stronger or weaker force, depending upon their individual strength. Yes, the answer above is generally correct. However, human jaw muscles, like any muscle, can be developed with proper excersize.