Together with the sacrum and coccyx, the pelvic girdle forms a bowl‐shaped region, the pelvis, that protects internal reproductive organs, the urinary bladder, and the lower part of the digestive tract.
Explanation:
A hydrogen bond is a common type of chemical bond in organisms. As the name suggests, this type of bond involves a hydrogen atom. The hydrogen is attracted to a strongly electronegative atom, such as oxygen, fluorine, or nitrogen of a polar covalent bond in the same or another molecule.
This gives water unique properties, such as a relatively high boiling point, high specific heat, cohesion, adhesion and density.
Mitosis happens to our skins cells to replace those that are damaged or have died. Cells have a limit, and then they commit cell suicide or apoptosis. Before dying or be damaged, the skin cells first reproduce themselves in order help keep our body protected with our first layer of defense.