7th Grade Science Unit Test 4 Review part II

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This organ system carries nutrients throughout the body so that specialized cells can perform specialized functions. This body system is the

The excretory system is connected to other systems, such as the circulatory system and the digestive system. The excretory system's primary function is to

The skeletal system and muscular system work together to do which job

Which job of the skeletal system is most important to maintaining homeostasis?

Identify the statement that accurately describes the job of the immune system.

Reproduction is not necessary for an individual organism to survive but it is necessary for the survival of

Your muscular system helps you maintain homeostasis by making you shiver. When you do this, it is your body's way of

Which is the main job of the endocrine system?