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.
Monkeys are haplorhine (dry-nosed) primates, a group generally possessing tails and consisting of about 260 known living species. There are two distinct lineages of monkeys: New World Monkeys and catarrhines. Apes emerged within the catarrhines with the Old World monkeys as a sister group, so cladistically they are monkeys as well. However, traditionally apes are not considered monkeys, rendering this grouping paraphyletic.