What Vessels Leaves Explained for Students (Easy Guide)

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This question relates to what vessels leaves and requires a structured academic response.

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Structure your response with introduction, analysis, and conclusion.

Key Explanation

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Original Question

1. What vessels leaves the left ventricle? Group of answer choices The pulmonary vein The inferior vena cava The pulmonary artery The aorta 2. Depolarization in cardiac muscle travels from one cell to another by: Group of answer choices K+ (potassium) Demosomes Cl- (chloride) Gap junctions 3. What organelle releases most of the Ca++ necessary for depolarization to occur? Group of answer choices SR Ribosomes Mitochondria ER 4. What ion causes depolarization in cardiac muscle? Group of answer choices Cl- Na+ Ca++ K+ 5. What ion causes repolarization in cardiac muscle? Group of answer choices K+ Ca++ Cl- Na+ 6. What vessel brings deoxygenated blood back to the heart? Group of answer choices Aorta Pulmonary vein Inferior Vena Cava Pulmonary artery 7. The left side of the heart always and only carries ____________ for the _____________ circuit: Group of answer choices Oxygenated blood/systemic Oxygenated/pulmonary Deoxygenated/systemic Deoxygenated blood/pulmonary 8. Once a cell depolarizes, the Ca++ binds to this protein, which allows the sliding filament model of contraction to occur: Group of answer choices SR Myosin Troponin Tropomyosin 9.Saying that a cell’s membrane is ‘polarized’ means that it: Group of answer choices Has a charge difference across it, where the inside is more negative and the outside of more positive. Has a charge difference across it, where the inside is more positive and the outside is more negative. Can’t respond to new input. Has no charge difference across it; it is neutrally charged. 10.The innermost layer of heart tissue is called _____________ and is made up of _____________ tissue. Group of answer choices Myocardium/muscle Epicardium/epithelial Endocardium/epithelial Endocardium/muscle

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