The length of the prenatal development period is called the ________ period.
A) atresia
B) gestation
C) spermatogenesis
D) embryology
E) None of the answers are correct.
B) gestation
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Answer the following statements true (T) or false (F)
1. Whole blood without the clotting factors is called serum. 2. In whole blood, the volume of plasma is larger than the volume of the formed elements. 3. Although there are several types of white blood cells, there is only one type of red blood cell. 4. Hematocrit values tend to be higher in men than women and higher in older people than in younger people. 5. Dehydration would cause a temporary drop in hematocrit values.
The most important skeletal muscles involved in making normal, relaxed, respiratory movements include (the)
A) serratus anterior and levator scapulae. B) diaphragm and external and internal intercostal muscles. C) rectus abdominis, external and internal oblique, and the transversus abdominis. D) intrinsic back muscles and the scalenus anterior and medius. E) All of the answers are correct.
Erectile dysfunction prevents a man from ejaculating.
Answer the following statement true (T) or false (F)
Hemoglobin contains ________, a protein combined with an iron-containing pigment called ________.
A. heme; globin B. hematocrit; heme C. globin; heme D. collagen; globin