<span>Nervous tissue is specialised to react to stimulate and to conduct impulses to various organs in the body which bring about a response to the stimulus. Nerve tissue (as in the brain, spinal cord and peripheral nerves that branch throughout the body) are all made up of specialised nerve cells called neurons. Hope this helps! :D</span>
Parasites need a host. If a host tries to get rid of the parasite or kill it, then the parasite either has to leave the body or die.
Answer:
A <u><em>receptor</em></u> is a protein that recognizes and responds to a signal.
Explanation:
A receptor is a protein molecule present on the cells on which the signalling molecules can bind and generate a physiological response. Some receptor molecules can also respond to Sun and light. Each type of cell has specific receptors molecules and hence can respond to specific signals. The receptor molecules hence tend to receive signals for a cell. Molecules such as hormones bind to the receptors.
Answer:
A square is a mathematical shape that has 4 sides and 4 corners. It has equal sides and is used for the graph paper squares or tiles.
