Stretching keeps the muscles flexible, strong, and healthy, and we need that flexibility to maintain a range of motion in the joints. Without it, the muscles shorten and become tight. Then, when you call on the muscles for activity, they are weak and unable to extend all the way.
The answer to your question is 1 billion
Answer:
Recruitment; rate coding.
Explanation:
Muscle is one of the important tissue of the body that helps in the movement of the body. Cardiac muscle, smooth muscle and skeletal muscle are three different types of muscle.
The muscle has the ability to change its contraction force depends upon the two factors. The rate coding adjusts the firing of the neural muscle rate while travelling down to the motor neuron via the central nervous system. The motor unit recruitment is the way bu which the number of different units recruited in a particular task can be altered.
Thus, the correct answer is option (c).
Around 220 beats per minute
The second one hope it helps
