The release of hormones by endocrine cells alters the ______
a. very specific responses to environmental stimuli
b. rate at which chemical neurotransmitters are released
c. anatomical boundary between the nervous and endocrine systems
d. metabolic activities of many tissues and organs simultaneously
Ans: d. metabolic activities of many tissues and organs simultaneously
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Which of the following occurs in exocrine secretions and functions to attack pathogens before they enter body tissues?
A) IgA B) IgD C) IgE D) IgF E) IgM
The lateral condyle of the femur articulates with the lateral condyle of the ________.
Fill in the blank(s) with the appropriate word(s).
Which list is in correct developmental order?
A. Blastocyst, embryo, zygote B. Zygote, blastocyst, embryo C. Zygote, embryo, blastocyst D. Blastocyst, zygote, embryo
How many globin molecules are found in a single hemoglobin molecule?
A. 1 B. 6 C. 4 D. 8 E. 2