Approximately what percentage of the human body is composed of oxygen, carbon, hydrogen, and nitrogen?

a. 90%.
b. 93%.
c. 96%.
d. 100%.


Answer: c. 96%.

Anatomy & Physiology

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Which of the following characteristics is indicative of the luteal phase?

a. maturing follicles b. reduced secretion of FSH c. corpus luteum d. ovulatory follicle e. formation of antrum

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The minimum voltage that is required to generate an action potential is called the _______.

A) depolarization voltage B) trigger voltage C) threshold voltage D) propagation voltage

Anatomy & Physiology

Why is oxygen so much more critical to the heart muscle than to skeletal muscles?

What will be an ideal response?

Anatomy & Physiology

Disaccharides are one type of

A. carbohydrate. B. starch. C. lipid. D. essential amino acid. E. triglyceride.

Anatomy & Physiology