![]() ![]() Clinically, blood pressure is reported as systolic pressure over diastolic pressure. Blood pressure: The force of blood moving through the blood vessels, measured in mmHg (millimeters of Mercury).And platelets are half-moon shaped, cell-like structures that are responsible for blood clotting (usually after an injury to a blood vessel). Serum is the amber-colored component of blood that contains most of the proteins of the blood. Plasma is the colorless fluid that contains the fatty components of blood. White blood cells are mostly involved in your immune response. Red blood cells (RBCs) carry oxygen and carbon dioxide in and out of the body. It also contains many types of cells: red blood cells, white blood cells, plasma, serum and platelets. Blood is mostly water, and is responsible for delivering nutrients to your body. Blood: The red, liquid substance pumped throughout the cardiovascular system.But in the vascular system connecting the heart and lungs, this convention is reversed. For most of your body, this means arteries carry oxygenated blood and veins carry oxygen-depleted blood. There are two main types of blood vessels- arteries and veins. Blood vessel: The tubes through which blood flows.Systemic: Referring to the other organs of the body, including liver, intestines, brain, kidneys, etc.Increasing the surface area allows gases to diffuse in and out of the blood (carbon dioxide out and oxygen in). Think of the lungs as very fine network of sacs that spread your blood out to increase its surface area. Lungs: a pair of organs that sit within your rib cage and occupy most of the left and right sides.The average heart rate for a healthy adult is between 60 at rest and 100 beats per minute going about your day. ![]() It is usually measured in beats per minute. This is the frequency of complete heart-muscle contractions. Contraction of the heart muscle is often called a beat. The heart pumps oxygen-rich blood out to the body and oxygen-poor blood to the lungs. Heart: A four-chambered muscle located underneath the breastbone (sternum) of your rib cage.The cardiovascular system consists of the heart, lungs, and includes all blood vessels. Cardiovascular system: The sophisticated network of organs and blood vessels responsible for oxygenating and moving blood throughout your body.To fully appreciate how hard it works for you, brush up on some cardiovascular vocabulary. Your cardiovascular system is remarkable. This relationship is known as the cardiovascular system, and it works 24/7 to keep you moving. Your blood, blood vessels, heart, and lungs, all work together to bring the oxygen you breathe to the rest of your body. But the blood coursing through your arteries and gently flowing in your veins didn’t get there by accident. It all indicates that your body is still running. You know that lub-dub sound your heart makes. Red Blood Cell Super-Highway: Navigating the Cardiovascular System ![]()
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