Sonography.
It’s also another name for ultrasound
Answer:
that's so true. and the world is still sort of like that, since some people don't have health insurance and they still have to pay with cash up front
Answer: a. periodontal ligaments
Explanation:
The periodontal ligament is a bundle of tiny fibers which facilitates the attachment of the cementum of the tooth to the jaw bone. This aids in holding the tooth firmly in it's place that is the socket. Thus it can be said that the periodontal ligament provides the supportive function to the tooth.
Answer:
The circulatory and respiratory systems work together to circulate blood and oxygen throughout the body. Air moves in and out of the lungs through the trachea, bronchi, and bronchioles. Blood moves in and out of the lungs through the pulmonary arteries and veins that connect to the heart.