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This is because it is oxygenated blood, filled with nutrients to begin with and as it runs through your whole body, it distributes these to different parts of the body. Once its circulated your whole system. Its de-oxygenated and so loses some of its pigment

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16y ago

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How fast does blood move through the human body?

Blood moves through the human body at an average speed of about 3 to 4 miles per hour.


Oxygen and carbon dioxide pass back and forth between the alveoli and the blood through?

The process of simple diffusion. Oxygen moves from the alveoli into the blood where it binds to hemoglobin in red blood cells, while carbon dioxide moves from the blood into the alveoli to be exhaled out of the body.


How does blood move through the heart?

Blood moves through the heart in a continuous loop, starting with the right atrium receiving deoxygenated blood from the body. The blood then flows into the right ventricle, which pumps it to the lungs to pick up oxygen. Oxygenated blood returns to the left atrium, then moves to the left ventricle, which pumps it out to the rest of the body. This cycle repeats with each heartbeat, ensuring that oxygen-rich blood reaches all parts of the body.


Would stool be black any tarry from upper gastro or colon bleeding?

Black, tarry stool could be indicative of upper gastrointestinal bleeding (such as from the stomach or esophagus) or bleeding in the colon. This color change occurs due to the breakdown of blood as it moves through the digestive system. It is important to consult a healthcare provider promptly for further evaluation and treatment.


What substance accounts for the flexibility of the membrane of the red blood cell?

The flexibility of the red blood cell membrane is due to its high content of cholesterol and special proteins called spectrin and actin. These components help maintain the structure and flexibility of the membrane, allowing the cell to change shape as it moves through blood vessels.