Target cells that are known to be having specific receptor for an antigent or antibody and the main reason why all cells are not target cells for the hormones is that they act as the focus for contact by phagocyte.
White blood cells and also called leukocytes, are a key part of the body's immune system, which is the body’s defense system against infection.
Insufficient nutrient, lack of water, no sunlight, climate change, pollution
As the toy car slides down a ramp, its potential energy was transformed into kinetic energy.