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Circulatory System

Circulatory System is the category for questions about the human circulatory system, including questions about the human heart, arteries, and veins.

2,116 Questions

Which of the 3 major parts of the circulatory system can be replaced by surgery?

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Examples of deductive and inductive reasoning?

Examples of inductive reasoning: All the dogs we've seen are black so the next dog we see will be black; Sara is a great musician therefore her brother must also be a great musician; All the cats we've seen are brown so all cats must be brown. Examples of deductive reasoning: All cheerleaders are preppy and Lucy is a cheerleader so Lucy must be preppy; Since all teachers are smart and Karen is a teacher then Karen is smart; All basketball players are tall and Jordan is a basketball player so Jordan is tall.

What happens to impurities in the blood and how are they removed?

Impurities in the blood are discharged in the lungs as carbon dioxide. As we inhale oxygen is taken into the lungs and is picked up by the red corpuscles in the blood. The purified blood passes through the pulmonary veins, two from each lung and into the left atrium of the heart. It is then forced through a valve into the left ventricle, where it is then pumped through the aorta (Large artery) into a network of smaller arteries. All arteries branch off into a number of smaller arteries, the smallest of these arteries is called arterioles. They become smaller and smaller until they become capillaries, and give off enriched blood to the tissues through their porous thin walls, and carried into very tiny veins called venules. They then enter the larger veins and finally into the heart and completing one full cycle ready to start again as this is a repetitive function.

The circulatory system is an organ system that is composed of?

The circulatory system, also called the cardiovascular system, is the heart and the network that brings blood to body tissue. It carries oxygen and nutrients to cells.

What path does an erythrocyte take from the bone marrow of the left humeral head to the renal vein?

Erythrocytes are red blood cells. In order to go from the bone marrow of the left humeral head to the renal vein, an erythrocyte would have to go through the entire cardiovascular system.

How are the circulatory and the respiratory system related?

You see, the circulatory system is a whole network of blood cells being pumped throughout the entire body. The respiratory system has the main purpose of exhaling carbon dioxide, which can be deadly to the body, and inhaling oxygen to give your muscles the energy to move. This is only part of it. Without the circulatory system, there would be no way to circulate the blood throughout the body. Therefore they are related by working together to transport oxygen for each muscle and organ in the body.

How the circulatory system affects other body systems?

The circulatory system affects the other body systems because the circulatory system gives oxygen to the other system. Without the circulatory system the other systems would not work.

How do the circulatory and respiratory system work together in the air sacs?

The lungs bring air into the air sacs, which are tightly wrapped with capillaries. The capillaries exchange oxygen for carbon dioxide, which the lungs expel.

How is water important to your circulatory system?

Water is the largest component of the blood by volume. It provides a matrix for the proteins, cells, and other substances carried by the blood.

What are the characteristics of mature red blood cells?

LOTS of haemoglobin (Hb) molecules to carry oxygen. (ie. ~100 million Hb/red blood cell).

Immature red blood cells have few Hb in each blood cell.

What is vasoconstriction?

Vasoconstriction is the constriction or narrowing of blood vessels by small muscles in their walls, slowing or blocking blood flow. Vasoconstriction is the constriction of blood vessels that increases blood pressure.

What does the dorsal aorta in a fish do?

To distribute blood from the heart to other organs of the fish body

What are the benefits of the resiratory system?

Benefits of the respiratory system are: It helps the body to regulate temperature by expelling heat. The respiratory system brings air into the lungs and ultimately to each cell in the body. The respiratory system also removes carbon dioxide from the body.

Can you use 30W speakers in a 300W HiFi System without damaging them?

Your amp's got enough power there to blow those speakers to kingdom come, but that doesn't mean you can't use them. At low volume settings, you're nowhere near the maximum output of the amp, so use them, but be careful. You should be able to hear when you're overdriving them.

What are the components of the cardiac monitor?

cables, and disposable supplies such as electrode patches, pressure transducers, a pulmonary artery catheter (Swan-Ganz catheter), and an arterial blood saturation probe