In order to find the least common denominator, you need to find the multiples of all denominators.

The International System of Units is the standard measurement system used by scientists all over the world.

The International System of Units is a standard of measurement widely used around the world.

Neurotransmitters are responsible for transmitting information between nerve cells.

Chemotransmitters play an important role in the transmission of information between nerve cells.

Sufficient caution is necessary when handling radioactive materials.

The scalenus minimus muscle is a part of the human body, but it does not exist in everyone.