Coordination and Response
Completion requirements
Pori drwy'r eirfa gan ddefnyddio'r mynegai hwn
Arbennig | A | B | C | CH | D | DD | E | F | FF | G | NG | H | I | L | LL | M | N | O | P | PH | R | RH | S | T | TH | U | W | Y | Y CYFAN
E
EffectorA muscle or gland that carries out a response. | |
Endocrine glandA gland that releases hormones directly into the bloodstream. | |
Endocrine systemThe collection of glands that produce hormones to regulate body functions. | |