Which of the following is true about veins?

Veins have valves arteries do not

Veins carry blood away from the heart, while arteries carry blood to the heart.

Veins have a smaller diameter lumen than arteries.

Veins are more muscular than arteries.


Veins have valves; arteries do not

Anatomy & Physiology

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Where are germinal centers located?

A. Thymus B. Spleen C. Lymphatics D. Lymph nodes E. Tonsils

Anatomy & Physiology

Compare the two methods of preparing for ultrasonographic examination. State which method increases the diagnostic quality and lengthens probe life

What will be an ideal response?

Anatomy & Physiology

Which layer of the digestive tract has a dense irregular connective tissue that surrounds the muscularis mucosae?

A) submucosa B) digestive epithelium C) muscular layer D) lamina propria E) mucosa

Anatomy & Physiology

In the diagram, where is the vomer bone?

a) A b) B c) E d) D e) C

Anatomy & Physiology