Insulin is secreted by the alpha cells of the islets of Langerhans
Indicate whether the statement is true or false
F
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The presence of acid and peptides in the stomach stimulates the gastric phase of gastrointestinal control
Indicate whether the statement is true or false.
Why is there variation in skin color among modern humans?
A. People have different numbers of melanocytes. B. People have a different distribution of carotene in their skin. C. People have a different distribution of melanin in their epidermis. D. People are exposed to different chemicals over their lifetime. E. People have different hemoglobin in vessels close to their skin.
All of the following changes occur during puberty, except
A) the hypothalamus decreases its production of GnRH. B) FSH levels increase. C) LH levels increase. D) growth rate increases. E) gamete formation begins.
The coronoid fossa is lateral to the medial epicondyle of the distal humerus.
Answer the following statement true (T) or false (F)