Veins carry blood away from the heart.
Answer the following statement true (T) or false (F)
False
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Neurotransmitter is released from the synaptic knob by exocytosis, and it then diffuses across the synaptic cleft
Indicate whether this statement is true or false.
A molecule that has just donated electrons ________.
A. acted as a reducing agent B. is now considered reduced C. acted as an oxidizing agent D. gave electrons to the reducing agent
Lymphatic capillaries
A. are open at both ends. B. lack a basement membrane. C. are like continuous capillaries in that they have many tight junctions. D. are abundant in epithelial tissues. E. are smaller in diameter than blood capillaries.
Which of the following is not a function of the mucus-lined nasal passages?
A. Entrapping small particles B. Cooling exhaled air C. Moistening inspired air D. Warming inspired air