The adaptive value of having a complex cascade system for blood clotting is that a defect of one participant in the cascade can be corrected by another enzyme later in the cascade.

Answer the following statement true (T) or false (F)


False

Anatomy & Physiology

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This figure shows a lymph node and its components. What structure is indicated by number 4?

A.   Medullary cord B.   Lymphatic nodule C.   Hilum D.   Trabecula E.  Lymphatic sinusoid

Anatomy & Physiology

What muscle of the hand extends the index finger only?

A. Extensor digiti minimi B. Extensor pollicis brevis C. Extensor indicis D. Extensor digitorum

Anatomy & Physiology

In the positive feedback mechanism governing breastfeeding, the mammary glands of the breast serve as the

A. effector. B. set point. C. control center. D. receptor.

Anatomy & Physiology

The superior nasal concha is a part of which bone?

A) vomer B) ethmoid C) sphenoid D) maxilla

Anatomy & Physiology