The iris consists of layers of ____________________ and ____________________ smooth muscle fibers

Fill in the blank(s) with correct word


circular, radial

Anatomy & Physiology

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Several nerve fibers converging onto one neuron amplifies impulses.

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

Anatomy & Physiology

Which is not part of the conducting portion of the respiratory system?

A.   Alveoli B.   Trachea C.   Larynx D.   Nasal cavity E.   Bronchi

Anatomy & Physiology

Calcium that enters the cell during smooth muscle excitation binds with

a. calmodulin b. inactive myosin kinase c. troponin d. myosin e. actin

Anatomy & Physiology

A 100 mmol/L solution of MgCl2 would be expected to have an osmolality of:

A. 50 mOsm/kg H2O B. 100 mOsm/kg H2O C. 200 mOsm/kg H2O D. 300 mOsm/kg H2O E. 350 mOsm/kg H2O

Anatomy & Physiology