This model was called GENERAL ADAPTATION SYNDROME [GAS].
Hans Selye proposed the three stages model of GAS, the three stages are alarm, resistance and exhaustion. During the alarm stage, the sympathetic nervous system prepares the body for action. In the resistance stage, the sympathetic nervous system recruits resources that will be needed to maintain high level of activity and energy. In the exhaustion stage,the parasympathetic nervous system takes over and the body experiences physical illnesses.
Answer: embryo
Explanation:
An embryo is the early stage of the development of the diploid cell called as zygote. It is formed by the continuous cell division and differentiation of the zygote. It is the unborn offspring which is in the state of development. In humans the embryonic state remains from second to eighth week after the process of fertilization. After eighth week the embryo is called as fetus.
According to the given situation, the six weeks of pregnancy is indicative of embryonic state.
Answer:
One type of personal heath monitor can calculate the number of calories a person burns- True
Answer:the sun is the major source of energy for organisms and the ecosystems
Explanation: