Its A because C and D arent a type of exercise and B means without air.
The hindbrain is composed of the medulla, the pons, and the cerebellum. The medulla lies next to the spinal cord and controls functions outside conscious control, such as breathing and blood flow. In other words, the medulla controls essential functions.
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<span>A muscle contraction that results in no movement of the body is referred to as an isotonic contraction. The isotonic contraction can be </span>concentric and eccentric. C<span>oncentric </span>contraction results in the muscle shortening, because the force the muscle is producing is greater than the resistance. Eccentric isotonic contraction on the other hand results in muscle lengthening because<span> the resistance is being greater than the force the muscle is producing.</span>
Answer:
B
Explanation:
If the victim has a pulse but is not breathing, provide rescue breathing by providing 1 breath every 5 to 6 seconds (10-12 breaths/minute).
