freeÂ·form. adj. 1. Having or characterized by a usually flowing asymmetric shape or outline: freeform sculpture. 2. Characterized by an unconventional or variable form: their own freeform teaching methods.freeâ²formâ² adv.reeÂ·form. adj. 1. Having or characterized by a usually flowing asymmetric shape or outline: freeform sculpture. 2. Characterized by an unconventional or variable form: their own freeform teaching methods.
SCA is a sudden and unexpected pulseless condition attributed to cessation of cardiac mechanical activity. It is usually caused by ventricular fibrillation, an abnormality in the heartâs electrical system. When SCA occurs, blood stops flowing to the brain, the heart, and the rest of the body, and the person collapses.
BENADRYL Â® products work because they contain an ingredient called diphenhydramine hydrochloride, which is an antihistamine. Hereâs what happens during an allergic reaction: 1  The body releases a substance called histamine into the bloodstream.2  Histamine travels to various parts of the body such as the eyes, nose, or skin.3  Histamine causes blood vessels to widen and expand. 4  This causes redness, swelling, and inflammation.ereâs what happens during an allergic reaction: 1  The body releases a substance called histamine into the bloodstream. 2  Histamine travels to various parts of the body such as the eyes, nose, or skin. 3  Histamine causes blood vessels to widen and expand. 4  This causes redness, swelling, and inflammation.