True or false: Altruistic behaviours are explained by the hormonal changes that make the altruist feel good.

The pituitary detects a rising hormone concentration in blood and inhibits the gland that is secreting the hormone. This is a ___________ feedback loop. a. positive b. negative

ADH and oxytocin are hypothalamic hormones secreted from the pituitarys _____________ lobe. a. anterior b. posterior c. primary d. secondary