3. Watch for signs of cervical dilation if you are near the end of your pregnancy. This indicates that you are in labor, and it's time to talk with your doctor or midwife. As the baby's head begins to press down on the opening of the uterus, the cervix will start to thin out and open.
A whale is defined as any of the larger cetacean mammals having a streamlined body and breathing through a blowhole on the head. This means that whales are mammals. They're warm blooded, bear live young and also suckle them with milk.
3.The large size of the whale is due to the food abundance in the sea and it is also a method of fighting the cold water of the sea (otherwise, they would lose a lot of heat in polar waters of 2-4 degrees C). The blubber layer can be 50 cm (1.5 ft) wide.