When a finger is pricked, the blood will quickly stop flowing because of the action of the formed elements called ______________
Fill in the blank with correct word.
platelets
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Which of the following descriptions best matches the term cholecystokinin (CCK)?
A) where pancreatic juice and bile enter duodenum B) carries absorbed sugars and amino acids C) stimulates pancreas to secrete bicarbonate-rich fluid D) causes gallbladder to contract E) stimulates gastric secretion
Normally menstruation occurs when ________.
A) blood levels of FSH fall off B) blood levels of estrogen and progesterone decrease C) blood levels of estrogen and progesterone increase D) the corpus luteum secretes estrogen
?Sperm cell maturation is stimulated by
a. aldosterone b. estrogen c. testosterone d. cortisol
Which phrase below correctly describes metaphase?
A)The chromosomes in a sister chromatid begin to separate from one another B)The centromeres are positioned continually along the spindle C)Centrosomes are attached at the metaphase plate D)Sister chromatids are aligned at the metaphase plate