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What is the importance of calcium salts?
Calcium salts are main component of bones and teeth. Calcium is very important ion in various metabolic activities. Calcium is vital ion for contraction of the muscles.
What ion is necessary for cardiac contraction to occur?
calcium is te most important ion in cardiac contraction , whereas the contraction starts by the Na .
Which Ion is principally responsible for myocardial excitation-contraction coupling?
the Ca++ ion
What is an important ion for muscle contraction?
calcium
What is the ion necessary in cross bridging to produce a muscle contraction is?
calcium
What is the neurotransmitter that initiates muscle contraction?
Voluntary muscle contraction is controlled by the central nervous system. The brain sends signals, in the form of action potentials, through the nervous system to the motor neuron that innervates several muscle fibers.Acetylcholine (ACh) is commonly secreted at neuromuscular junctions, the gaps between motor neurons and muscle cells, where it stimulates muscles to contract (by opening gated positive ion channels).
What ion is needed for the muscles to function?
Ca+
What rhymes with traction?
contraction traction fraction reaction traction anyhing with ion action
What element is associated with muscle contraction?
Calcium is actually the main cation (positively charged ion) responsible for muscle contraction. Most people think it is Sodium or Potassium. Sodium is an anion (negatively charged ion) which controls your body's saturation (all the way down to the cellular level) and also aids in transporting minerals. What happens when you are dehydrated? Your muscles cramp up. Potassium is a cation which creates electricity. In muscle movement, sodium and potassium create a channel in which sodium rushes in and potassium rushes out causing the muscle fiber membrane to become more positively charged, triggering an action. This ultimately would not be possible without calcium, which starts the whole process. For more information check out the following link. References: http://en.wikipedia.org/wiki/Muscle_contraction AAOS Emergency Medical Technician Book
What is the most important factor in decreasing intracellular concentration of calcium ion after contraction is?
The most important factor in decreasing intracellular calcium ion concentration after contraction is the active transport of calcium ions out of the cell by the calcium ATPase pump located on the cell membrane. This pump helps in restoring the calcium ion concentration back to its baseline level, allowing the muscle to relax and prepare for the next contraction.
Normally stored in the terminal cisternae of the sarcoplasmic reticulum?
Calcium ions are normally stored in the terminal cisternae of the sarcoplasmic reticulum in muscle cells. When muscle contraction is initiated, these stored calcium ions are released into the cytoplasm, triggering muscle contraction.
Are sodium and potassium the final go signal in muscle contraction?
an increase in intracellular calcium ion levels
