HS. Structure and Function HS-LS1-2

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The organizational level within an organism where different systems interact and contribute to overall function, such as the digestive or respiratory system.

Connective tissue that allows arteries to stretch and recoil, helping to maintain proper blood pressure and flow.

Organisms composed of multiple cells, which have specialized structures and functions organized into systems.

Muscle tissue in arteries that contracts and relaxes to regulate the diameter of the blood vessel and control blood flow.

The reaction of the immune system to identify and eliminate pathogens or foreign substances from the body.

The arrangement of biological systems in a structured order, from cells to tissues, organs, and systems, each providing specific functions.

The distribution of water throughout an organism, managed by systems such as the circulatory and renal systems.

A blood vessel that carries blood away from the heart, which relies on the function of elastic tissue and smooth muscle to regulate blood flow.