The nervous system and cardiovascular system
True
False
True
True I think
Answer:
A variety of peroxide compounds, including carbamide peroxide, hydrogen peroxide, sodium perborate and calcium peroxide, have been used as active ingredients for bleaching materials
Explanation:
Answer:
leg tapping is one. And another is fitgiting with fingers and hands.
Angina<span> (also called </span>angina pectoris<span>) is defined as: “a condition marked by severe pain in the chest, often also spreading to the shoulders, arms, and neck, owing to an inadequate blood supply to the </span>heart<span>.” A </span>heart attack<span> occurs when this same process lasts long enough to cause permanent damage to the </span>heart<span> muscle.</span>