Statement 1 : Mammals can eat while breathing.
Statement 2 : Mammals have negative-pressure breath-ing.

Assertion :- Mammals can breathe an eat at the same time. Reason:- Mammals have negative pressure breathing

Differtiate between: Postive pressure breathing and Negative pressure breathing.

Comment on the statement 'All mammals are viviparous

Comment on the statement 'All mammals are viviparous

Breathing movement in mammals are brought by …………..

Statement A : All metatherians are placental mammals. Statement B : All placental mammals have menstrual cycle.

Statement A : All metatherians are placental mammals. Statement B : All placental mammals have menstrual cycle.

Statement A : All metatherians are placental mammals. Statement B : All placental mammals have menstrual cycle.

Statement A : All metatherians are placental mammals. Statement B : All placental mammals have menstrual cycle.