The pigment found in vegetables that can make the skin appear orange or yellow is called
A) cadmium.
B) carotene.
C) hemoglobin.
D) keratin.
E) melanin.
B
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Sensory information is processed and relayed to the cerebrum by the
A) medulla oblongata. B) pons. C) midbrain. D) thalamus. E) cerebellum.
Respiration in birds differs from mammals in that birds have
a. lungs used for gas exchange only. b. a comparatively higher tracheal volume. c. air capillaries. d. air sacs for ventilation. e. all of these.
Which of the following would NOT be transported during tubular resorption?
a) urea b) mineral ions c) amino acids d) water e) simple sugar
Which is true of Golgi tendon organs?
A) They are located in the epidermis. B) They are located in the dermis. C) They function as light-touch receptors. D) They are classified as proprioceptors.