neurotransmitters is the answer
The correct answer is oviduct.
<span>When oocyte (female gamete) is released from the ovary during the ovulation, it travels down the fallopian tube (uterine tubes or oviduct) into the uterus, where it may become fertilised by a sperm. If fertilisation does not occur, the uterine wall and blood will be shed during menstruation.</span>
Its according to their organs.. where the my come from.. where they inhabit..what the eat.. how they look like..
take for example: reptiles.. they are classified as reptiles cause.. they are the only types of animals who have hard scaled skin not like fish..
Although amphibious frogs live on land and in water, they must lay their eggs in water or the eggs will dry up, effectively killing the offspring inside. Frog eggs are covered with a glycoprotein, which helps keep the eggs moist. This glycoprotein has to keep in contact with a source of moisture, such as water.
The most hazardous to his health is lead poisoning. It is because Aaron is still young and he doesn't know mostly all of the things around him and the things that which is bad and good for him. Considering he is a child, he is likely exposed to materials such as toys and he would not know that some of these toys are contaminated with hazardous materials that could contribute to lead poisoning.
