Answer:
<em>Pain in the chest, tightness in the chest, pressure in the chest, Breathing difficulty. If the blood vessels in your legs or arms are narrowed, you may experience pain, numbness, weakness, or coldness. Neck, jaw, throat, upper abdomen, or back pain. A poor diet can result in high cholesterol and blood pressure. So you're in severe risk.</em>
Answer:
The cardiovascular system consists of the heart, blood vessels, and blood.
This system has three main functions: Transport of nutrients, oxygen, and hormones to cells throughout the body and removal of metabolic wastes (carbon dioxide, nitrogenous wastes).
Answer:
Cold boxes are used to collect and transport vaccine supplies from one fixed vaccine store to another, and from vaccine stores to health facilities. They are also used to temporarily store vaccines when the refrigerator is out of order or being defrosted.
