Negative feedback on a releasing hormone by the presence of a peripheral hormone is an example of which type of endocrine reflex?
A) central
B) inhibitory
C) neural
D) humoral
E) hormonal
E) hormonal
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The glottis is the opening between the vocal cords.
Answer the following statement true (T) or false (F)
The most abundant nitrogenous waste of the blood is
A. urea. B. ammonia. C. uric acid. D. creatine. E. amino acids.
What is not true about the lactiferous ducts and sinuses?
A) they are part of the mammary glands B) they are part of the uterus C) their function is performed only by females D) they produce milk for the newborn
What is the correct order of structures through which the sperm penetrates during fertilization?
A. Zona pellucida, corona radiata, oocyte plasma membrane B. Zona pellucida, oocyte plasma membrane, corona radiata C. Corona radiata, zona pellucida, oocyte plasma membrane D. Corona radiata, oocyte plasma membrane, zona pellucida