What is systemic circulation?(1 point)
Responses
the path of blood between the heart and lungs
the path of blood between the heart and lungs
the path of blood as it moves from the head throughout the body and back to the head
the path of blood as it moves from the head throughout the body and back to the head
the path of blood between pharynx and trachea
the path of blood between pharynx and trachea
the path of blood as it moves from the heart throughout the body and back to the heart
the path of blood as it moves from the heart throughout the body and back to the heart
thanks!
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nope, no more 4 now
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wait- no i actually have one more- lemme get it
Sure, take your time. I'm here to help you with any additional questions you may have.
An eye doctor shines a bright light into a patient's eye. In one to two sentences, explain how the patient's brain perceives the bright light.(2 points)
When a bright light is shone into a patient's eye, the sensory receptors in the retina detect the light and convert it into neural signals. These signals are then transmitted to the brain through the optic nerve, where they are interpreted as the perception of bright light.
The correct answer is "the path of blood as it moves from the heart throughout the body and back to the heart."
To understand the concept of systemic circulation, it is important to have a basic knowledge of the circulatory system. The circulatory system is responsible for transporting blood, oxygen, nutrients, hormones, and waste products throughout the body.
The circulatory system consists of two main components: the cardiovascular system and the lymphatic system. The cardiovascular system includes the heart, arteries, veins, and capillaries, while the lymphatic system consists of lymph nodes, lymph vessels, and lymphatic organs.
Systemic circulation specifically refers to the movement of blood from the heart, through the arteries, to the body tissues, and back to the heart through the veins. It supplies oxygen-rich blood to the organs, tissues, and cells of the body, allowing them to receive the necessary nutrients and remove waste products.
To visualize the path of systemic circulation, imagine a continuous loop starting from the left ventricle of the heart. The oxygenated blood from the lungs enters the left atrium and then gets pumped into the left ventricle. From there, it is pumped out of the heart through the largest artery called the aorta.
The aorta branches into smaller arteries, which further divide into even smaller arterioles. Arterioles eventually lead to tiny, thin-walled capillaries, where the exchange of oxygen, nutrients, and waste products between the blood and body tissues occurs.
After the exchange, the deoxygenated blood, now rich in waste products like carbon dioxide, flows into venules and then merges to form veins. The veins gradually increase in size and merge to form superior and inferior vena cava, which return the blood back to the right atrium of the heart to complete the systemic circulation loop.
Understanding the path of systemic circulation is crucial in comprehending how blood flows throughout the body and how the circulatory system functions as a whole.