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Systemic heart refers to [2003]
- a)the two ventricles together in humans
- b)the heart that contracts under stimulation from nervous system
- c)left auricle and left ventricle in higher vertebrates
- d)entire heart in lower vertebrates
Correct answer is option 'C'. Can you explain this answer?
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Verified Answer
Systemic heart refers to [2003]a)the two ventricles together in humans...
Higher vertebrates exhibit double circulation of blood namely systemic and pulmonary circulation. Systemic circulation involves the distribution of oxygenated blood via the aorta from the heart to all parts of the body, and the collection of deoxygenated blood from all parts of the body through the great veins into the heart. Pulmonary circulation denotes the route impure blood takes from the heart to the lungs for purification and then back to the heart, the left auricle receives oxygenated blood and passes it to the left ventricle. The left ventricle pumps the pure blood to all parts of the body through aorta. Hence these two chambers involved in systemic circulation are referred to as systemic heart.
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Systemic heart refers to [2003]a)the two ventricles together in humans...
Systemic Heart means that the part of the heart propelling blood through the systemic circulation, specifically:the left atrium and ventricle of the higher vertebrates.
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Systemic heart refers to [2003]a)the two ventricles together in humans...
Systemic heart refers to the left auricle and left ventricle in higher vertebrates.
The systemic heart is an important component of the circulatory system in higher vertebrates, including humans. It plays a crucial role in pumping oxygenated blood to the various organs and tissues of the body.
Explanation:
The circulatory system consists of two main circuits: the pulmonary circuit and the systemic circuit. The pulmonary circuit is responsible for carrying deoxygenated blood from the heart to the lungs for oxygenation and then returning oxygenated blood back to the heart. On the other hand, the systemic circuit is responsible for delivering oxygenated blood to the rest of the body.
The systemic heart refers specifically to the left auricle and left ventricle in higher vertebrates.
- The left auricle (also known as the left atrium) is one of the four chambers of the heart and receives oxygenated blood from the lungs via the pulmonary veins.
- The left ventricle is the largest and strongest chamber of the heart. It receives oxygenated blood from the left auricle and pumps it out to the rest of the body through the systemic arteries.
In the systemic circuit, blood is pumped out of the left ventricle and travels through a network of arteries, arterioles, capillaries, venules, and veins to reach the various organs and tissues. Along this pathway, oxygen and nutrients are delivered to the cells, while waste products and carbon dioxide are removed.
The systemic heart contracts under the stimulation from the nervous system and generates the force required to propel blood throughout the body. This coordinated contraction is regulated by electrical signals that originate from the sinoatrial (SA) node, often referred to as the natural pacemaker of the heart.
In summary, the systemic heart refers to the left auricle and left ventricle in higher vertebrates. Together, they play a vital role in pumping oxygenated blood to the organs and tissues of the body, ensuring their proper functioning.
The systemic heart is an important component of the circulatory system in higher vertebrates, including humans. It plays a crucial role in pumping oxygenated blood to the various organs and tissues of the body.
Explanation:
The circulatory system consists of two main circuits: the pulmonary circuit and the systemic circuit. The pulmonary circuit is responsible for carrying deoxygenated blood from the heart to the lungs for oxygenation and then returning oxygenated blood back to the heart. On the other hand, the systemic circuit is responsible for delivering oxygenated blood to the rest of the body.
The systemic heart refers specifically to the left auricle and left ventricle in higher vertebrates.
- The left auricle (also known as the left atrium) is one of the four chambers of the heart and receives oxygenated blood from the lungs via the pulmonary veins.
- The left ventricle is the largest and strongest chamber of the heart. It receives oxygenated blood from the left auricle and pumps it out to the rest of the body through the systemic arteries.
In the systemic circuit, blood is pumped out of the left ventricle and travels through a network of arteries, arterioles, capillaries, venules, and veins to reach the various organs and tissues. Along this pathway, oxygen and nutrients are delivered to the cells, while waste products and carbon dioxide are removed.
The systemic heart contracts under the stimulation from the nervous system and generates the force required to propel blood throughout the body. This coordinated contraction is regulated by electrical signals that originate from the sinoatrial (SA) node, often referred to as the natural pacemaker of the heart.
In summary, the systemic heart refers to the left auricle and left ventricle in higher vertebrates. Together, they play a vital role in pumping oxygenated blood to the organs and tissues of the body, ensuring their proper functioning.
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Systemic heart refers to [2003]a)the two ventricles together in humansb)the heart that contracts under stimulation from nervous systemc)left auricle and left ventricle in higher vertebratesd)entire heart in lower vertebratesCorrect answer is option 'C'. Can you explain this answer?
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