4. The ventricles havepeçileay muscles that anchor stringy Cords t prevel atriov

Question

4. The ventricles havepeçileay muscles that anchor stringy Cords t prevel atrioventricular valves from prolapsing during ventricular systole. and its relaxation 5. The contraction of any heart chamber is called Sustole Blood that leaves the heart usually flows through arteries, a capillary bed, veins, and back to the heart, but in afpastal suten it flows through two capillary beds in succ returning to the heart. 6. 7. Arteries and veins have three-layered walls. The innermost layer is called thenica ntmg and is lined by a simple squamous epithelium called the tunicn odvcntiti a 8. With minor exceptions(opilloies are the only blood vessels that can exchange substance with the surrounding tissues 9. Some capillaries are especially permeable because they have large filtration pores, or 10. In a blood pressure of 120/75, 120 represents the Sstolic pressure and 75 represents the diastalic pressure.

Explanation / Answer

Number 7 .

The innermost layer is tunica interna (intima) . And it is lined by endothelial cells.

Subendothelial cells and fenestrated cells are also present.

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