Stoichiometry is a method for calculating the amount of substances in a chemical reaction.

If cardiac output decreases, blood flow throughout the body worsens.

The concept of chemical equivalent is essential for understanding chemical reactions.

The time complexity of this algorithm is O(n).

The space complexity of this algorithm is O(n).

I use a pedometer every day to record the distance I walk.

I wonder where my sphygmomanometer is?

He measured muscle activity using an electromyograph.

The doctor used an electrocardiograph to check the condition of my heart.

The tachometer of my car has broken.