What is the role of the hair follicle?
a. The hair follicle serves as a sensory receptor.
b. The hair follicle produces hair.
c. The hair follicle serves as an anchor for the hair shaft.
d. The hair follicle allows hair to "stand on end," or become erect.
Answer: c. The hair follicle serves as an anchor for the hair shaft.
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You observe a lizard sitting on a log on a sunny day. If the lizard is attempting to raise its body temperature by basking in the sun, what mechanism of heat transfer is being employed?
A) conduction B) convection C) radiation D) evaporation
A flock of crows attacking a great horned owl is an example of
A. stotting. B. dribbling. C. bobbing. D. cavorting. E. mobbing.
Veins that carry oxygenated blood from the lungs to the heart.
2) System that consists of both the cardiovascular and the lymphatic systems. 3) The site where certain lymphocytes mature, enabling them to fight specific disease-causing organisms. 4) This simple practice will reduce your chance of heart disease and stroke. 5) Vessels that carry blood back to the heart from the body. A) Jugular veins B) Pulmonary veins C) Circulatory D) Capillaries E) Spleen F) Thymus G) Tonsils H) Aorta I) Veins J) Exercise
The words simple, complete, and compound are all used to describe
a. shapes of bones. b. formation of bone architecture. c. bone remodeling. d. types of bone fractures. e. kinds of joints.