Sunlight, ultraviolet light, and X rays all darken skin because they increase blood flow to
the dermis.
Indicate whether the statement is true or false
FALSE
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The hardest biologically manufactured substance is enamel
Indicate whether the statement is true or false.
The fibrous band of connective tissue on the ventral abdominal wall that is the main attachment of the abdominal muscles is the ___________________
Fill in the blank(s) with correct word
One roommate was praising the health benefits of oysters to another roommate. The second roommate replied that he received the benefits of the same two trace elements from eating a different type of food. Which source is he referring to?
A. Organ meats B. Legumes C. Green leafy vegetables D. Cheese
It is believed that the group of channels responsible for sensing osmotic stress evolved first. This group of channels are
a. mechanically gated. b. ion gated. c. voltage-gated. d. ligand-gated. e. receptor-activated.