Which of the following is the function of hair associated with a nerve fiber?
A) provides an early-warning system that may help prevent injury
B) helps cushion a light blow to the head
C) protects the scalp from UV light
D) helps prevent the entry of foreign particles
E) provides protection for the surface of the eye
A) provides an early-warning system that may help prevent injury
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Progesterone in semen stimulates the movement of sperm cells.
Answer the following statement true (T) or false (F)
Name the rod-shaped organelles that have a double-membrane wall and that oxidize foodstuffs to make ATP
A) mitochondria B) rough endoplasmic reticulum C) lysosomes D) ribosomes
This type of muscle tissue is found in the stomach.
A. Skeletal B. Voluntary C. Smooth D. Cardiac
A tissue has the following characteristics: abundant extracellular matrix, abundant collagen fibers, collagen fibers mainly parallel to each other. Which of the following injuries results in damage to mainly this kind of tissue?
A. tear in the tissue that attaches the gastrocnemius muscle to bone B. broken nose C. tear in the cartilage of the knee D. broken femur bone E. bullet penetrating the abdominal wall