A The muscle separating the ^thoracic and abdominal ^cavities is the ------. ^A) Diaphram B) Thoracic ^B Bats nourish their young with ^milk secreted by the ----- ^glands. ^A) Parotid B) Mammary ^B Newly born marsupial ^mammals are more developed ^than placental mammals. ^A) True B) False ^A In mammals, as in birds, ^there is no mixing of blood in^the heart. ^A) True B) False ^B The portion of the mammalian ^brain that coordinates muscle ^movement is the ^A) Cerebrum B) Cerebellum ^B The ----- controls vital body ^processes in mammals. ^A) Pons B) Medulla Oblongata ^ ^B ----- are mammals whose young ^complete development in their ^mother's pouch after birth. ^A) Ungulates B) Marsupials ^A Oxygen and nutrients from the ^mother are transferred to the ^fetus via the ------. ^A) Placenta B) Amnion ^B The period of development in ^the uterus is called the -----^period. ^A) Vital B) Gestation ^B Hoofed mammals or ----- are ^herbivores; some are called ^ruminants. ^A) Primates B) Ungulates ^