Solid blood cells would settle out of the liquid blood plasma if allowed to sit, illustrating that blood is a:
A) colloid. B) solution. C) solute. D) suspension.
Answer: A
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When the chemical known as __________ is released it may cause itchiness, sneezing, and redness of the skin
Fill in the blank(s) with correct word
Which statement is correct?
a. The placenta secretes human chorionic gonadotropin, estrogen, and progesterone. b. The placenta serves the functions of the circulatory, respiratory, and digestive systems for the fetus. c. Maternal and fetal blood are mixed together within the placenta. d. Both a and b e. None of the above
What is NOT a function of the nervous system?
A) sense the internal and external environments B) integrate sensory information C) control effectors D) direct long-term functions such as growth
Which type of membrane lines the cavities of freely movable joints such as the shoulder?
A. Cutaneous B. Mucous C. Synovial D. Serous