How thick are capillary walls?
a. 1 micrometer
b. 10 micrometers
c. 100 micrometers
d. 1 millimeter
e. 10 millimeters
a
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The flow rate of blood is the same in all segments of the vascular tree, but the velocity of blood flow is slower in the capillaries than in other segments of the vascular tree
Indicate whether the statement is true or false
Which of these muscles functions only to compress the abdomen?
A) external abdominal oblique muscles B) internal abdominal oblique muscles C) diaphragm D) rectus abdominis muscle E) transversus abdominis muscles
What structure produces estrogen and progesterone until the placenta is fully formed?
A. Corpus luteum B. Amnion C. Yolk sac D. Endometrium E. Pituitary gland
Observing a karyotype for a fetus, an obstetrician notices that for the 16th chromosome, there are 3 structures shown. What sort of chromosomal abnormality does this fetus have?
A. Polyploidy B. Incomplete dominance C. A monosomy D. A trisomy