1. All men are mammals 2. All mammals are men 3. Some vertebrates are mammals. 4. None Ques:- All men are vertebrates. Some mammals are vertebrates. Which of the following conclusions drawn from the above statement is correct. 1. All men are mammals 2. All mammals are men 3. Some vertebrates are mammals. 4. None One Answer on this Question Sujanya

Mammals and birds continously require oxygen in all body parts so that aerobic respiration could take place so that heat is continously generated to maintain the body temperature required. To efficiently facilitate this process it is necessary to separate oxygenated and deoxygenated blood in mammals and birds. Posted by.

The vertebral column and associated muscles of many mammals are structurally analogous to a cantilever girder. The skull is composite in origin and complex in function. Functionally the bones of the head are separable into the braincase and the jaws.