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