Engineer and college professor. Work with the American Red Cross as an instructor and instructor trainer. When performing a pulse check on an Infant or Child, check for a maximum of 10 seconds. For lay CPR, no pulse check is required for an adult.
Sitting is a basic human resting position. The body weight is supported primarily by the buttocks in contact with the ground or a horizontal object such as a chair seat. The torso is more or less upright. Sitting for much of the day may pose significant health risks, and people who sit regularly for prolonged periods have higher mortality rates than those who do not. The form of kneeling where the thighs are near horizontal and the buttocks sit back on the heels, for example as in Seiza and Vajr
A chair is a piece of furniture with a raised surface, commonly used to seat a single person. Chairs are supported most often by four legs and have a back; however, a chair can have three legs or can have a different shape.