Which group of elements makes up more than 90% of the body's mass?
A) O, Ca, H
B) Ca, C, O
C) O, C, H
D) O, H, Na
E) C, Na, K
C) O, C, H
Anatomy & Physiology
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Which of the following is an example of a mineral?
a. B12 c. D b. sunlight d. iron
Anatomy & Physiology
A molecule that has just donated electrons ________.
acted as a reducing agent acted as an oxidizing agent is now considered reduced gave electrons to the reducing agent
Anatomy & Physiology
Which of these muscles is used during forced expiration?
A) diaphragm B) external intercostals C) internal intercostals D) scalenes E) trapezius
Anatomy & Physiology
Which neurotransmitter is released at the sympathetic chain ganglia?
A) norepinephrine B) dopamine C) acetylcholine D) endorphin E) All of the answers are correct.
Anatomy & Physiology