In humans, from which extraembryonic membrane will the first blood cells arise?

A) allantois B) chorion C) amnion D) yolk sac


Answer: D

Anatomy & Physiology

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Which of the following structures is not associated with the ankle joint?

A. The calcaneal tendon B. The anterior tibiofibular ligament C. The tibial (medial) collateral ligament D. The medial malleolus E. The lateral malleolus

Anatomy & Physiology

Iron atoms help our blood transport oxygen. Describe each level of anatomical structural complexity for an iron atom in your blood, working from the simplest level (atom) to the most complex (organism).

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Anatomy & Physiology

Place in correct order the following steps in the process of appositional growth of cartilage

a: New matrix is produced and secreted. b: Chondrocytes differentiate, each in its own lacuna. c: Stem cells undergo mitosis. d: Committed cells differentiate into chondroblasts.   A.  c. - d. - a. - b. B.  d. - c. - b. - a. C.  c. - d. - b. - a. D.  a. - c. - b. - d. E.  a. - c. - d. - b.

Anatomy & Physiology

Cause of pyuria (presence in pus)

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Anatomy & Physiology