What is systemic circulation?(1 point)Responsesthe path of blood between the heart and lungsthe path of blood between the heart and lungsthe path of blood between pharynx and tracheathe path of blood between pharynx and tracheathe path of blood as it moves from the head throughout the body and back to the headthe path of blood as it moves from the head throughout the body and back to the headthe path of blood as it moves from the heart throughout the body and back to the heart
The correct response is: the path of blood as it moves from the heart throughout the body and back to the heart.
The correct answer is: the path of blood as it moves from the heart throughout the body and back to the heart.
Systemic circulation refers to the path of blood as it moves from the heart throughout the body and back to the heart. To understand systemic circulation, it is important to have a basic knowledge of the circulatory system.
The circulatory system consists of the heart, blood vessels, and blood. The heart acts as a pump, continuously contracting and relaxing to circulate blood throughout the body. Blood vessels, including arteries, veins, and capillaries, are responsible for carrying the blood to different parts of the body.
In systemic circulation, blood is pumped from the left side of the heart into the aorta, the largest artery in the body. From the aorta, the blood flows into smaller arteries, branching out to different organs, tissues, and cells. As the blood travels through the arteries, it delivers oxygen, nutrients, and other essential substances to the body's cells.
Once the cells have received what they need, the blood returns to the heart through smaller blood vessels called veins. The veins gradually converge, forming larger veins that ultimately return the blood to the right side of the heart. From there, the blood is pumped to the lungs for oxygenation through the process of pulmonary circulation, and then the cycle continues.
Understanding systemic circulation is important because it explains how oxygen and nutrients are transported to various parts of the body, ensuring proper functioning of organs and tissues. It also illustrates how waste products, such as carbon dioxide, are removed from the cells and eliminated from the body.