The diaphragm helps in the flow of the air to and from the lungs. The diaphragm moves down as one inhales, and then up as one exhales. The movement is controlled by the phrenic nerves. Whenever there is irritation on these nerves, it induces diaphragm spasm.
Titanium dioxide is used as a UV filter in sunscreen products to protect the skin from harmful UV rays when exposed to sunlight.
Titanium dioxide has a variety of uses, as it is odorless and absorbent. This mineral can be found in many products, ranging from paint to food to cosmetics. In cosmetics, it serves several purposes. It is a white pigment, an opacifier and a sunscreen.