Chemical substances secreted by cells into the extracellular fluids and that regulate the metabolic function of other cells in the body are called ________
A) proteins
B) enzymes
C) antibodies
D) hormones
D
Explanation:
A) Proteins are not chemical substances that are secreted into extracellular fluids.
B) Enzymes are not chemical substances secreted into extracellular fluids.
C) Antibodies are not chemical substances that are secreted into extracellular fluids.
You might also like to view...
The deeper sublayer of the dermis is the ________ layer, and it is the _______ of the two
A. reticular, thicker B. reticular, thinner C. papillary, thicker D. papillary, thinner
The major force for expulsion of stomach contents during vomiting comes from contraction of the __________ muscles and the __________
Fill in the blank(s) with correct word
____________________ means the absence of a menstrual cycle.?
Fill in the blank(s) with correct word
Body temperature control is an example of ____, a process by which the body responds to a stimulus by correcting the change and bringing the body back to the original setting
a. positive feedback b. endocrinology c. negative feedback d. pathology