They may be dehydrated, dehydration causes both of these symptoms
Answer:a
Explanation: because blood is pumped out of the heart and into the body to supply oxygen to working muscles or to the lungs for re-oxygenation
Skeletal and Muscular:
The muscles help move the bones when you need to move your arm to do something like writing something down or raising your hand.
Skeletal and Nervous:
<span>Sensory receptors in joints between bones send signals about body position to the brain.
Muscular and Nervous:
</span><span>Receptors in muscles provide the brain with information about body position and movement.</span>
Answer:
Physiological systems can function ONLY under carefully controlled conditions. Homeostatic regulation prevents potentially disruptive changes in the body's internal environment. The organ systems function less efficiently or even malfunction.
Explanation:
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