Quick Answer. The function of motor neurons is to release the neurotransmitter acetylcholine, which are released at a junction known as the neuromuscular junction, that bind to postsynaptic receptors, causing the muscle fiber to respond and result into a muscle movement.
The frontal lobe is what really sets us apart from animals, which controls one important aspect of humans: Self awareness. The thinking in terms of I am.. Animals don't do that. (although they DO have sex for pleasure.
Number of genes depends on the DNA number in a particular cell and the numbers vary widely among organisms. Therefore, a gene or set of genes determines the differences between individuals within a species as well as differences between species.Human genome consists of over 20,000 genes, and certain genes of humans are also found in other animals and even in certain plants.umber of genes depends on the DNA number in a particular cell and the numbers vary widely among organisms. Therefore, a gene or set of genes determines the differences between individuals within a species as well as differences between species.