its middle layer is less thick and there are less ...

★ Biology Quiz

its middle layer is less thick and there are less elastic fibers

A. artery

B. vein

C. blood capillary

D. blood platelet

Select your answer:

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Transport system in Living Things (Human) Molecular Biology The Cardiovascular System: Blood Vessels and Hemodynamics Parkinson Disease Bacteria, Viruses, Protozoa Fungi Bones Nervous and Endocrine System Bone Development and Remodeling Integumentary and Musculoskeletal System The Circulatory System Immune Cells Faction Philosophy Injuries in Archery Pulmonary Edema and CHF Vitamins

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Cytosine makes up 40% of the nucleotides in a sample of DNA from an organism. Approximately what percentage of the nucleotides in this sample will be thymine?

A. 10%

B. 20%

C. 40%

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The reason we always bleed when we are cut is because:

A. Our arteries are right under our skin

B. Even if the cut didn’t hit a vein, blood will need to come towards it in order to clot the cut closed

C. We have capillaries all over our body

D. The cut just happens to cut a vein every time