1 Have students keep a record of their heart rates for one week by taking their pulse a few times a day. 2  Note time of day and activity at the time. 3  The amount of time the heart takes to return to a normal at-rest rate after exercise is called recovery time. 4  This is a measure of the body's general fitness. Note time of day and activity at the time. 2  The amount of time the heart takes to return to a normal at-rest rate after exercise is called recovery time. 3  This is a measure of the body's general fitness.
shard. n. 1. A broken piece or fragment, as of pottery or glass.2. Zoology A tough scale or covering, such as the elytron of a beetle.hard. n. 1. A broken piece or fragment, as of pottery or glass.
A remnant that almost seems to have a life of its own. An Exotic Shard is a Material in Destiny and is used for upgrading gear. Exotic Shards are used for the final upgrade on exotic weapons and armor. Exotic Shards can be obtained by purchasing them from Xur for 7 Strange Coin or dismantling exotic gear.