A-LevelBiologyCell structureMay/June 2019Paper 5 Q213 Marks
Sperm production in humans is controlled by the hormones FSH and LH. These hormones are released from the pituitary gland in males to maintain a constant concentration in the blood. Research has shown that sperm production in humans has decreased during the last 75 years. This research has highlighted concern about the fertility of future generations.
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