The most common type of capillaries are
A. sinusoids.
B. venules.
C. continuous.
D. fenestrated.
E. discontinuous.
Answer: C
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A blood spot is a sign of a damaged egg
Indicate whether the statement is true or false
Answer the following statements true (T) or false (F)
1. Brown fat is frequently deposited between the shoulder blades of infants. 2. Achilles was wounded by damage to the tendon connecting his calf muscles to his heel. This and all tendons are composed mainly of dense irregular connective tissue. 3. Macrophages are found in areolar and lymphatic tissues. 4. Goblet cells are found with pseudostratified ciliated columnar epithelium. 5. Epithelial tissues always exhibit polarity; that is, they have a free surface and a basal surface.
Which of the following statements concerning sutures is false?
A. They may become completely immovable in adults. B. The opposing bones in the joint interdigitate for stability. C. The tissue between the bones is hyaline cartilage. D. The periosteum of adjacent bones is continuous over the joint. E. Membranes, called fontanels, are present in some sutures at birth.
In fetal circulation, the high concentration of oxygen can be found in the blood of the ________.
A. aorta B. umbilical arteries C. ductus arteriosus D. umbilical vein