Exercise provides many benefits of strength and muscle prevent unhealthy weight gain it may reduce the risk of some cancers these are not the only benefits of exercise however a recent study can include the exercise provides mental health benefits to during exercise the body produces endorphins that natural compounds that relax and may lift the person spirit complete the sentence and sentence variety

Witch sentence contain an adverb clause

Biologists recognize five levels of cell organization. the lowest and simplest is the cellular level. organisms here are either unicellular organisms, like protozoa, or colonial organisms. colonial organisms are composed of single-celled individuals that stay together to sustain the life of the whole colony. next on the scale of complexity is the level occupied by tissue. a tissue is a group of similar cells which perform a similar activity. tissues that are organized around a common function together make up an organ, the third level of complexity. the fourth level of organization is the system, formed by a group of organs which together perform a specific bodily process. the fifth and highest level is the organism level, in which body systems work together in a structure capable of independent life. main idea:

2dogs and 2 humans how many people are there? animals are considered as people too?