Final answer:
Hypocalcemia is defined as abnormally low levels of calcium in the blood. It can affect various body systems and functions.
Step-by-step explanation:
Hypocalcemia is defined as abnormally low levels of calcium in the blood. It can have adverse effects on various body systems, including circulation, muscles, nerves, and bones. Without adequate calcium, blood coagulation, heart function, muscle contraction, nerve function, and bone strength can be compromised.