Which of the following is not one of the functions of the respiratory system?
a) olfaction
b) maintain acid-base balance
c) produce speech and vocalizations
d) assist with the flow of arterial blood
Ans: d) assist with the flow of arterial blood
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Myelin
A) consists of layers of lipids and proteins that wrap around an axon. B) is a form of chromatophilic substance that fills Schwann cells. C) is produced in response to bacterial infection. D) is released from a neuron and travels to another neuron.
Sodium, potassium, calcium, chlorine, and phosphorus are all examples of ____
a. proteins b. carbohydrates c. lipids d. mineral salts
Phospholipids
A. are found in plasma membranes. B. contain subunits called amino acids. C. are fat-soluble vitamins. D. are a type of steroid. E. are water-soluble.
Inflammation of a lymph node is called _____.
A) lymphangitis B) tonsillitis C) lymphadenitis D) lymphedema