Line of scrimmage is the imaginary line that separates the offense and defense
Changes in the force of contraction of the heart
Answer:
back straight, feet flat on the floor, arms at a completable straight position while typing.
Explanation:
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<span>Heart failure is risk that someone is taking stimulants in his or her body. Stimulants are chemicals that can add to your alertness and too much of it can damage your nervous system. When your nervous system will react to the high level of stimulants, you will get nervous that will cause for your heart to pump more blood. When your hear pumps more blood than the oxygen intake in the lungs, it will cause a hear attack or hear failure.</span>
