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.
The sperm whale, known to science as Physeter macrocephalus, is the largest of the toothed whales, which includes other members such as the dolphin and killer whale. These whales get their name from the oily fat, known as spermaceti, which is contained in their large heads.s with all whales, sperm whales are mammals and require air to breathe. They are one of the deepest diving mammals in the world, and are able to stay underwater for up to two hours before coming up for air. A sperm breaches the surface of the water to grab a breath of fresh air.