the brain cells cannot be replaced by the human body, that's why the boxer who gets brain cells damage can never be illed.
your skin
The human body is composed of billions of cells. Each organ in the body is comprised of thousands of tissues, each of which are formed by thousands of cells.
thyroid
big small nasty wigley organ ........
The human body is composed of billions of cells. Each organ in the body is comprised of thousands of tissues, each of which are formed by thousands of cells.
in a human body, there are division of labour. cells ,tissues, organ,and systems. human brain can think out of a limit.
cells, tissues, organs, organ systems, and organisms
The circulatory system transports materials in the body.
The structures of the human body in order from least to most complex are cell, tissue, organ, and organ system.
your skin is technically and organ (called epidermis) and it is made of cells. sometimes the cells die, like and organ and shed then replace themselves. im sure about this, but i think your hair is the only dead part of your body.
what might happen if the human body did not have specialized cells tissue organs and organ systems to maintain homeostasis
They lose and replace 25