The body's most effective mechanism for reducing heat loss is vasoconstriction of blood vessels in the skin
Indicate whether the statement is true or false.
TRUE
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The term used to describe an appendage structure that is closest to its point of attachment to the trunk is:
a. distal b. lateral c. superior d. proximal
Answer the following questions true (T) or false (F)
1. Platelets can undergo mitosis and perform repairs if damaged. 2. Thrombin converts fibrinogen into fibrin, a mesh that glues together the platelet plug and helps seal the damaged vessel. 3. Thrombolysis begins with fibrinolysis and the breakdown of the fibrin glue that was produced during coagulation.
Which is true about the structure and function of a gene?
A. It is an uncoiled protein that contains information necessary for the synthesis of other proteins. B. It is a sequence of nucleotides in DNA that acts as an enzyme to digest proteins. C. It is composed of many molecules of DNA and contains information needed to make RNA. D. It is a sequence of nucleotides in DNA that contains information necessary for the synthesis of proteins.
After birth, bones growth in length at the
A. periosteum. B. epiphyseal plates. C. primary ossification center. D. None apply.