The hormone that triggers ovulation of an egg from the female ovary is called
 A. Luteinizing Hormone
 B. Prolactin
 C. Follicle-stimulating hormone
 D. Progesterone
 ____ Is when not enough thyroxine is created in early childhood
 A. Graves’ disease
 B. Myxedema 
 C. Cretinism
 D. Goiter