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white blood cells

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15y ago

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System that transport materials to and from the bodys cells?

Circulatory system


What keeps the bodys internal environment distinct from external environment?

The body's internal environment is maintained distinct from the external environment by the presence of semi-permeable cell membranes that selectively allow substances to enter or leave cells, and by homeostatic mechanisms that regulate internal conditions such as temperature, pH, and nutrient levels. Specialized organs like the liver, kidneys, and lungs also play a crucial role in filtering and maintaining the internal environment.


What is your bodys largest sensory organ?

The skin is the body's largest sensory organ. It protects the body from external elements and helps detect sensations such as touch, temperature, and pain.


What are the bodys internal defenses?

The body's internal defenses include the immune system, which comprises various cells and proteins that work together to identify and eliminate pathogens like bacteria and viruses. Key components include white blood cells, antibodies, and the complement system, which help detect and destroy invaders. Additionally, the body has mechanisms such as inflammation and fever that enhance the immune response. Together, these defenses maintain health and protect against infections.


The process in which the bodys cells are nourished and energized?

This process is known as cellular respiration, where cells break down nutrients like glucose to produce energy in the form of ATP. This energy is used by cells to carry out their various functions in the body.