Which of the following pairs is NOT matched correctly?
A) hair—composed of keratin
B) nails—grow longer from the root
C) sweat glands—secrete sebum to cool the skin
D) sebaceous glands—secrete into hair follicle
C) sweat glands—secrete sebum to cool the skin
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The narrowest blood vessels are called:
A) arterioles B) veins C) capillaries D) venules
Directions, geography, and history are content areas for social studies
Indicate whether the statement is true or false
Heart disease is associated with
a. high levels of high-density lipoprotein (HDL) c. low levels of very low-density lipoproteins (VLDL) b. high levels of low-density lipoprotein (LDL) d. low levels of triglycerides
Proprioceptive neuromuscular facilitation is an example of what type of stretching?
A. ballistic stretching B. active stretching C. passive stretching D. none of these answers is correct