Is sudden cardiac arrest the same as a heart attack? No. A heart attack (or a myocardial infarction) occurs when part of the heartâs blood supply is reduced or blocked, causing the heart muscle to become injured or die.
The primates are a group of mammals that includes some of the most intelligent animals. The major kinds of primates are humans, apes, monkeys, tarsiers, lemurs, and lorises. There are more than 300 species, or types, of primate. These different types have many physical features in common.For this reason scientists believe that they may share a common ancestor.he primates are a group of mammals that includes some of the most intelligent animals. The major kinds of primates are humans, apes, monkeys, tarsiers, lemurs, and lorises. There are more than 300 species, or types, of primate. These different types have many physical features in common.
Photos.com/Photos.com/Getty Images. Primates are an extremely diverse group of between 190 and 350 living species, depending on different taxonomic structures, and exhibit a wide range of characteristic features that help distinguish them from other mammals.They range in size from the 2-ounce pygmy mouse lemur to the 440-pound wild gorilla.ther primate characteristics include having a nail on the first digit although, in many cases, each digit has a nail instead of a claw. Primates also possess a clavicle, or collarbone. All primates exhibit the tendency to be erect; this trait is visible when even quadrapedal primates sit or stand.