The pharyngoesophageal sphincter is normally closed and its main function is to prevent esophageal secretions from entering the pharynx during breathing

Indicate whether the statement is true or false


F

Anatomy & Physiology

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Some bone interiors contain hemopoietic tissue, which functions in

A. producing blood cells. B. storing fat. C. breaking down toxins. D. making connective tissue fibers. E. producing hormones.

Anatomy & Physiology

Which of the following is not a function of the skin?

A. Synthesis of vitamin C B. Retention of water C. Sensation of pain, temperature, and pressure D. Facial expression E. Thermoregulation

Anatomy & Physiology

Neurons are capable of detecting and transducing incoming signals such as

A) Light. B) Pressure. C) Environmental chemicals. D) All of the above

Anatomy & Physiology

A motor neuron is an example of a type of

A) Afferent neuron. B) Efferent neuron. C) Interneuron. D) Sensory neuron.

Anatomy & Physiology