Answer:
the right answer is reaction
This statement, "Practicing and specific training can improve components of skill related fitness limited by heredity, is True. Even if you have hereditary disadvantages, you can work hard to compensate for them.
Answer:
Most systems depend on the chemicals produced by it to run smoothly
Explanation
Your endocrine system includes your thyroid, which helps produce certain aiding hormones
Answer: Refractory period of the cardiac action potential
Explanation:
Unlike the skeletal muscle which can be reactivated before it reaches a contraction, cardiac muscle must wait before it is almost completely relaxed to be activated again (because of its long refractory period), so one cannot make an increase in strength of contraction with a high frequency of stimulations.
The statement that isotonic exercise occurs when force is exerted against an object that does move is false.
◽✅◽
In contrast, isotonic exercise occurs when force is exerted to move an object. In this type of exercise the contracting muscle shortens against a constant load. Lifting weights, squats, stair climbing, biceps curls are all examples of isotonic exercises.
IamSugarBee
