Understand the levels of organization in the human body, from cells to organ systems.
Explore how the nervous system controls body functions through electrical and chemical signals.
Learn how the cardiovascular system transports oxygen, nutrients, and waste products.
Study the respiratory system and how gas exchange keeps the body energized.
Discover how the digestive system breaks down food and absorbs nutrients.
Examine the musculoskeletal system and how muscles and bones work together for movement.
Learn about the endocrine system and its role in regulating growth, metabolism, and reproduction.
Understand how the renal (urinary) system maintains fluid and electrolyte balance.
Explore the immune system and how the body defends against disease.
how the body keeps internal conditions stable
despite changes in the environment.
Study how major body systems maintain life processes and overall health.
Learn how nervous and endocrine systems coordinate and regulate body activities.
Explore immune and renal systems for protection, fluid balance, and stability.
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