23. The capillaries end up converging into arteries that will eventually carry out blood throughout the body and organs. Blood flows through the capillary beds and drops blood pressure. Capillary beds are extremely small blood vessel located within the tissues of the body.
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26. A chamber of the heart contracts when an electrical impulse moves across it. These electrical gestures begin in a small parcel of highly specialized cells in the right atrium or the sinoatrial node (SA node), also called the sinus node.
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29. They both have 2 atria & 2 ventricles. This gives them the ability to complete separation of oxygenated and deoxygenated blood. This allows an easy access of oxygen to travel through the body and cells. The right side of the heart drives pulmonary circulation while the other dives systemic circulation.