Maintaining the body's internal environment within certain narrow ranges is called ____________________

Fill in the blank(s) with correct word


homeostasis

Anatomy & Physiology

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Which of the following is NOT a parasympathetic effect?

A. constriction of the pupils of the eye B. contraction of the urinary bladder C. decreased heart rate D. dilation of the bronchioles in the lungs E. increased gastric secretions

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This figure shows the muscles of respiration. What muscles are indicated by number 1?

A.   External intercostals B.   Internal intercostals C.   Scalenes D.   Diaphragm E.   Transversus thoracis

Anatomy & Physiology

Structure O is the

A) optic disc. B) fovea. C) blood vessels. D) ocular muscle. E) optic nerve.

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The human immunodeficiency virus (HIV) targets mainly ________.

A. B cells B. helper T cells C. cytotoxic T cells D. plasma cells E. natural killer cells

Anatomy & Physiology