Answer:
Each tooth is composed of dentine and pulp cavity.
Explanation:
Human teeth are made up of four different types of tissue: pulp, dentin, enamel, and cementum. The pulp is the innermost portion of the tooth and consists of connective tissue , nerves, and blood vessels, which nourish the tooth.By volume, 45% of dentin consists of the mineral hydroxylapatite, 33% is organic material, and 22% is water. Yellow in appearance, it greatly affects the color of a tooth due to the translucency of enamel. Dentin, which is less mineralized and less brittle than enamel, is necessary for the support of enamel.
Answer:Smoking cessation improves respiratory symptoms and bronchial hyperresponsiveness, and prevents accelerated decline in lung function, in all smokers, with or without chronic obstructive pulmonary disease.
Explanation:
A patient with a serum calcium of 6.0 (norm = 8.5- 10.5) is most likely to have muscle spasms because more Na+ has entered the cells.
<h3>What is muscle?</h3>
Muscles are soft tissues. Numerous elastic fibers make up your muscles. There are more than 600 muscles in your body. The various muscle groups' purposes differ. You can move swiftly, as when you run or jump, or deftly, like when you thread a needle, thanks to certain muscles.
Muscles can be used to lift large things or give birth in addition to assisting with movement and pumping blood. Muscles either contract or relax to produce movement. This movement could be unconscious or intentional, that is, made voluntarily and consciously (involuntary).
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