The endocrine system is
-the body's fast-acting control center
-responsible for producing hormones
-responsible for returning fluid to the circulatory system
-the external covering of the body
-responsible for producing hormones
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A charged particle is generally called an ion or electrolyte
Indicate whether the statement is true or false
Aldosterone is released from the ________ in response to ________.
A) adrenal medulla : decreases in plasma sodium B) posterior pituitary : increases in plasma osmolarity C) pancreas : increases in plasma glucose D) adrenal cortex : increases in plasma potassium E) macula densa : increased flow of tubular fluid in the distal tubule
The ciliary muscle contracts to
-control the production of aqueous humor. -adjust the shape of the cornea and vitreous. -control the amount of light reaching the retina. -adjust the shape of the lens for distant vision. -adjust the shape of the lens for near vision.
The only structures that filter lymph is/are the
A. tonsils. B. spleen. C. lymph nodes. D. thymus.