Cell-tissue-organ-organ system
Answer:
Hypocalcemia is defined as low level of calcium in the serum.
It could be harmful to an individual in the following ways:
Convulsions, arrhythmias, tetany, and numbness in the hands and feet and around the mouth occur due to lowered threshold for depolarization causing increased responsiveness.
Life-threatening complications- Laryngospasm and Cardiac arrhythmias can arise.
Effects on cardiac output include:
(A) Negative chronotropic effect, or a decrease in heart rate.
(B) Negative inotropic effect, or a decrease in contractility
Answer:
Biological catalysts in the living organism .
Explanation:
In living organism, enzymes speed up the rate of chemical reaction by lowering the activation energy thereby bringing the reactants close to each other and weakened their chemical bonds which will enable the reactions to be faster.