1. : site into which releasing hormones or inhibiting hormones are secreted 2. : supplies the primary plexus 3. : site that receives the blood and hormones from the primary plexus and into which hormones such as GH, TSH, and ACTH are secreted 4. : blood vessels of the hypophyseal portal system that join two capillary beds 5. : location of synthesis of releasing hormones (RH), such as GHRH, TRH, CRH, and GnRH; or inhibiting hormones (IH), such as GHIH and PIH

"do a testcross with a homozygous recessive plant."

c

explanation:

answer: accepted answer: aquatic animals use the oxygen dissolved in water to carry out respiration. since the amount of dissolved oxygen in water is low as compared to the amount of oxygen in the air, therefore the rate of breathing in aquatic animals is much faster than it is in terrestrial animals.

explanation:

the menstrual cycle – higher tier. negative feedback mechanisms affect the production of hormones in the menstrual cycle. oestrogen also stimulates the release of lh (luteinising hormone) from the pituitary gland, which in turn controls the production of progesterone.