Most postganglionic fibers of the sympathetic nervous system secrete the neurotransmitter ________.

What will be an ideal response?


norepinephrine
NE
noradrenaline

Anatomy & Physiology

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Identify the material that would NOT be considered an important inorganic substances in our bodies.

A. Iron B. Oxygen C. Glucose D. Calcium

Anatomy & Physiology

Which structures in the figure together secrete liquid components of semen?

a) B, C, G b) B, C, F c) B, D, I d) B, C, L e) B, H, L

Anatomy & Physiology

The primary dorsiflexor of the foot at the ankle is the

A. extensor digitorum longus. B. fibularis brevis. C. tibialis anterior. D. extensor hallucis longus. E. gracilis.

Anatomy & Physiology

Which of the following is not characteristic of smooth muscle?

A) The striations are due to the orderly arrangement of actin and myosin. B) Neurons that innervate smooth muscles are under involuntary control. C) Smooth muscle cells are uninucleate. D) Smooth muscles do not contain sarcomeres. E) The thin filaments of smooth muscle fibers are attached to dense bodies.

Anatomy & Physiology