What are the 7 steps of the circulatory system?

Blood flows through the heart in the following order: 1) body –> 2) inferior/superior vena cava –> 3) right atrium –> 4) tricuspid valve –> 5) right ventricle –> 6) pulmonary arteries –> 7) lungs –> 8) pulmonary veins –> 9) left atrium –> 10) mitral or bicuspid valve –> 11) left ventricle –> 12) aortic valve –> 13) …

How does each part of the circulatory system work?

The heart, blood and blood vessels work together to service the cells of the body. Using the network of arteries, veins and capillaries, blood carries carbon dioxide to the lungs (for exhalation) and picks up oxygen. From the small intestine, the blood gathers food nutrients and delivers them to every cell.

Where does the circulatory system start and end?

The circulatory system begins in your right atrium, the upper right-hand chamber of your heart. Blood moves from the right side of your heart through your lungs to get rid of carbon dioxide and pick up oxygen, and then returns to the left side of your heart, ending up in the left ventricle.

What is circulatory system explain?

The system that contains the heart and the blood vessels and moves blood throughout the body. This system helps tissues get enough oxygen and nutrients, and it helps them get rid of waste products. The lymph system, which connects with the blood system, is often considered part of the circulatory system.

How does the circulatory system work with the respiratory system?

The respiratory system works with the circulatory system to provide this oxygen and to remove the waste products of metabolism. It also helps to regulate pH of the blood. … The blood transports the gases to and from the tissue cells. The exchange of gases between the blood and tissue cells is internal respiration.

What is the main function of the circulatory system quizlet?

The function of the circulatory system is to transport O2 and nutrients to body cells and to carry oxygen-poor blood and CO2 back to the heart and lungs. To do its job, the system must keep blood constantly circulating.

How do hearts work?

The right ventricle pumps the oxygen-poor blood to the lungs through the pulmonary valve. The left atrium receives oxygen-rich blood from the lungs and pumps it to the left ventricle through the mitral valve. The left ventricle pumps the oxygen-rich blood through the aortic valve out to the rest of the body.

What are the three main functions of the circulatory system?

The cardiovascular system has three main functions:
  • transport of oxygen, carbon dioxide and nutrients.
  • clotting of open wounds.
  • regulation of body temperature.

What are 6 critical blood functions?

Blood Basics
  • transporting oxygen and nutrients to the lungs and tissues.
  • forming blood clots to prevent excess blood loss.
  • carrying cells and antibodies that fight infection.
  • bringing waste products to the kidneys and liver, which filter and clean the blood.
  • regulating body temperature.

How does blood circulate through the heart?

Blood comes into the right atrium from the body, moves into the right ventricle and is pushed into the pulmonary arteries in the lungs. After picking up oxygen, the blood travels back to the heart through the pulmonary veins into the left atrium, to the left ventricle and out to the body’s tissues through the aorta.

How does the blood flow through the heart?

The blood first enters the right atrium. The blood then flows through the tricuspid valve into the right ventricle. When the heart beats, the ventricle pushes blood through the pulmonic valve into the pulmonary artery. … The left ventricle then pumps blood through the aortic valve and into the aorta.

What is blood circulation short answer?

blood circulation The circulation of blood refers to its continual flow from the heart, through branching arteries, to reach and traverse the microscopic vessels in all parts of the body, reconverging in the veins and returning to the heart, to flow thence through the lungs and back to the heart to start the circuit …

How does blood move into the veins?

Pressure is a measure of the force that the blood exerts against the vessel walls as it moves the blood through the vessels. Like all fluids, blood flows from a high pressure area to a region with lower pressure. Blood flows in the same direction as the decreasing pressure gradient: arteries to capillaries to veins.

How does the blood get oxygen?

Inside the air sacs, oxygen moves across paper-thin walls to tiny blood vessels called capillaries and into your blood. Blood with fresh oxygen is carried from your lungs to the left side of your heart, which pumps blood around your body through the arteries. …

Who explained blood circulation?

William Harvey and the Discovery of the Circulation of the Blood.

What are the organs found in circulatory system?

The circulatory system consists of three independent systems that work together: the heart (cardiovascular), lungs (pulmonary), and arteries, veins, coronary and portal vessels (systemic).

How does blood volume affect blood flow?

Changes in blood volume affect arterial pressure by changing cardiac output. An increase in blood volume increases central venous pressure. … An increase in right ventricular stroke volume increases pulmonary venous blood flow to the left ventricular, thereby increasing left ventricular preload and stroke volume.

What factors affect blood flow through the circulatory system?

You need to know the factors that affect blood flow through the cardiovascular system: blood pressure, blood volume, resistance, disease and exercise.

How do you draw the human circulatory system step by step?

What are the 3 types of circulation?

3 Kinds of Circulation:
  • Systemic circulation.
  • Coronary circulation.
  • Pulmonary circulation.

Why is it important to take care of your circulatory system?

The circulatory system is your heart and blood vessels, and it’s essential to keeping your body functioning. This finely tuned system carries oxygen, nutrients, electrolytes, and hormones throughout your body.

How do you draw circulatory and respiratory system?

Why is it called the circulatory system?

Your heart pumps blood to the body through a network of arteries and veins (blood vessels). Your circulatory system can also be defined as your cardiovascular system. Cardio means heart, and vascular refers to blood vessels. The circulatory system provides blood to all the body’s tissues so they can function.