Which of the following characteristics of life and their descriptions is correct?

A. Responsiveness-obtaining and using oxygen to release energy from food
B. Circulation-the movement of substances in body fluids
C. Respiration-changing absorbed substances into forms that are chemically different from those that entered the body fluids
D. Assimilation-sensing changes inside or outside the body and reacting to them


Answer: B

Anatomy & Physiology

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________ processes move substances across a membrane regardless of concentration gradients.

A) Active transport B) Filtration C) Passive transport D) Diffusion E) Osmotic

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Which of the following is not true of the effects of various factors on blood pressure?

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Anatomy & Physiology