Physiological changes refer to the alterations in the biological functions and processes within an organism, which can occur naturally over time or in response to environmental factors. These changes can impact various systems in the body, influencing growth, development, aging, and adaptation to stressors.

Physiological Changes

Biological functions refer to the roles and activities performed by various structures within living organisms that contribute to their survival, growth, and reproduction. These functions are complex, interdependent, and regulated by genetic, biochemical, and environmental factors to maintain homeostasis and adapt to changing conditions.

Biological Functions

Biological processes are the vital sequences of events or chemical reactions that occur within living organisms to sustain life, encompassing everything from cellular respiration to reproduction. These processes are essential for maintaining homeostasis, growth, and adaptation in response to environmental changes.

Biological Processes

An organism is a living entity that can carry out life processes independently, ranging from single-celled bacteria to complex multicellular humans. Organisms interact with their environment and other organisms, playing a crucial role in ecosystems and the biosphere as a whole.

Organism

Environmental factors encompass all external elements influencing living organisms, including physical, chemical, biological, and social components. These factors shape ecosystems and human health, driving adaptation and evolution, and are critical in assessing ecological and public health risks.

Environmental Factors

Growth is the process of increasing in physical size, development, or maturity, whether in biological organisms, economies, or personal capabilities. It often involves a complex interplay of factors such as resource availability, environmental conditions, and intrinsic potential, leading to qualitative and quantitative changes over time.

Growth

Development refers to the process of growth, progress, or evolution in various contexts, such as personal, economic, or social domains. It involves the improvement of conditions, skills, or systems, often measured through indicators like quality of life, education, and economic prosperity.

Development

Aging is a complex biological process characterized by the gradual decline in cellular and physiological functions, leading to increased vulnerability to diseases and ultimately death. It is influenced by genetic, environmental, and lifestyle factors, and is a major focus of scientific research aiming to extend healthspan and lifespan.

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