Platelets are small cell fragments shed from the outer edges of extraordinarily large bone marrow–bound cells known as __________
Fill in the blank(s) with correct word
megakaryocytes
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Which of the following vascular shunts connects the fetal left and right atria?
A) foramen ovale B) ductus venosus C) ductus arteriosus D) fossa ovalis
During the female sexual act,
A. an orgasm always occurs. B. vaginal mucoid secretions are reduced. C. an orgasm always occurs to insure fertilization. D. the clitoris becomes engorged with blood. E. vaginal, uterine, and perineal muscles relax.
The bluish tinge of skin due to a reduction of oxygen in the blood is called ________.
A. carotenosis B. desquamation C. albinism D. cyanosis E. hemolysis
Branches of the thoracic aorta include all of the following except the ________ arteries
A) basilar B) superior phrenic C) esophageal D) bronchial E) intercostal