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respiration system and circulation system
They CAN be used to determine accurate absolute ages.
Blood circulation Foot and leg joints, Arm joints
Pretty much all the body systems are involved. Skeletal, muscles, circulation and breathing are all critical components. And digestion, while not directly involved, provides the energy required for the other systems.
Frogs have circulatory systems that are very similar to that of humans so veins are used for the samepurposes and are needed anywhere where blood circulation is required.
Used on heating/cooling systems. Allows uninterrupted circulation through heating/cooling unit or heating/cooling system using 3-way valve.
A mortgage calculator is used to determine one's monthly payment expense. It is designed to show how payments vary depending on interest rates and the amount of down payment in comparison to the different types of loans available.
The Mohs scale of mineral hardness is generally used to determine the hardness of a mineral. The Mohs scale rates the ability of mineral to scratch or be scratched by another mineral.
Pulse diagnosis is a diagnostic technique used in several healing systems to determine the health conditions and course of treatment for patients.
Credit scores are used to determine loan percentages when a person applies for a loan. If a person has a low credit score, the percentages of interest are higher, whereas higher credit scores result in lower loan percentage rates.
The money market is used to: transfer large amounts of money; determine short term interest rates; allow governments to raise funds; and help to implement monetary policy.