they are destroyed in the lymphatic system.
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red blood cells
It diffuses into capillaries in the muscle where red blood cells and the blood carry it to the lungs were it is released and oxygen takes its place in the blood.
Erythropoiesis, Bone Marrow
erythropoiesis bone marrow
Most of the cleanup of dead red blood cells takes place in the spleen. The spleen contains specialized cells called macrophages that engulf and break down the old red blood cells, recycling their components for future use in the body.
It diffuses into capillaries in the muscle where red blood cells and the blood carry it to the lungs were it is released and oxygen takes its place in the blood.
Meiosis takes place in the gamete cells of humans. In human males meiosis takes place in the sperm cells, in human females it takes place in the ovum.
Respiration takes place everywhere in the body. It takes place in the lungs the bronchi, the esophagus, the trachea, blood vessels, in capillaries, in the brain, cells even breath. If you are referring to the exchange of oxygen and carbon dioxide, It actually occurs in the blood stream.
photosynthesis takes place in plant cells
mitochondria
The oxygen and other nutrients in the blood diffuse into the cells through osmosis, and then wastes and other harmful chemicals are diffused out.
Hematopoiesis is the function of the hematopoietic system, also known as the blood system. It is the process of creating and producing new blood cells, including red blood cells, white blood cells, and platelets, which takes place in the bone marrow.