Answer:
How physiological mechanisms serve as the basis for hunger
Explanation:
Physiological mechanisms are able to provide explanations to body functions, events and outcomes. Such mechanisms could be altered voluntarily when there's the need to. Hunger is on example of such. When a person is hungry the muscles of the stomach contracts and messages are sent to the brain. This process is what tells the person thaat he needs to feed.
The letter T within T-lymphocytes stands for the thymus gland. The T cells area type of lymphocyte that mature in the thymus from the thymocytes. They mature into various types of mature T cells and activate in the immune system. The T cells help to search out and destroy pathogens
A proton has a positive charge where as an electron has a negative charge
The correct answer is option A and C i.e. Magma and erosion products
The magma is considered as a new product as it is formed from the lava that flows out of the volcano and is a new material produced periodically while the erosion products may not be produced at a particular place but since they are being carried away from some distant area they are new for the area where they are carried to.
answer is D ( totipotent cells can differentiate into more types of cells )
