Which hormone stimulates production of sperm?
A. Luteinizing hormone (LH)
B. Gonadotropin-releasing hormone (GnRH)
C. Adrenocorticotropin hormone (ACTH)
D. Follicle-stimulating hormone (FSH)
E. Epinephrine
D. Follicle-stimulating hormone (FSH)
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Which actions happen in the stratum granulosum? a: Keratinizationb: Cell flatteningc: Plasma membranes thickend: Plasma membranes become less permeable
A. a, b, c, d B. c, d C. a, c, d D. b, c, d E. a, c
Most strokes and heart attacks are caused by the abnormal clotting of blood in an unbroken vessel. Moreover, a piece of the ________ (clot) may break loose and begin to travel in the bloodstream as a(n) ________
A) embolism; thrombus B) thrombosis; plaque C) plaque; thrombus D) thrombus; embolus E) plaque; embolus
As your temperature rises during activity, your body signals blood vessels to constrict
Indicate whether the statement is true or false.
Human somatic cells contain ________ chromosomes.
Fill in the blank(s) with the appropriate word(s).