Anatomy of arteries, veins and capillaries

Which of the following has the thickest wall as the tunica externa?

• Arteries

• Capillaries

• Veins

What is the next circulation called:

It starts from the right side of the heart to the lungs, then returns back to the left side of the heart

• Pulmonary circulation

• Double circulation

• Systemic circulation

• Hepatic circulation

Arteries...

• Carry blood away from the heart

• Carries blood towards the heart

• Carries blood towards the vein

• Links the Capillaries and veins

The strength of the walls comes from the combination of...

• smooth muscle fibers only

• elastic fibers and smooth muscle fibers

• Collagen and elastic fibers

Which of the following describes the structure of the capillaries:

• Consist of a single layer of cells

• Are tiny in cross-section

• Is made of endothelium

• Has valves

The walls of the Aorta stretch to accommodate the huge surge of blood when the......... contract

What is the pressure of the blood received from the heart in the Aorta?

• 5 mmHg

• 120 mmHg

• 35 mmHg

• 12 Pa

Tags

NGSS.HS-LS1-3

Which artery is connected directly to the kidneys? (Highlighted in green).

• Renal Artery

• Femoral Artery

• Anterior Tibial Artery

• Aorta

Which artery is connects the heart to the lungs? (Highlighted in green)

• Renal

• Carotid

• Aorta

• Pulmonary Artery

Which vein takes blood away from the kidney?

• Portal Vein

• Renal Vein

• Femoral Vein

• Antebrachial Vein