The following events are part of a negative feedback mechanism. In which order do they occur? 1. Body temperature falls,
2. Blood flow to the skin and sweating are decreased
3. Sensors detect a temperature change.
4. Blood vessels in the skin contract and sweat gland activity decreases.
O 3,4,2,1
O 1,2,3,4
0 1,3,4,2
0 1,3,2,4

What factors contribute to the effect an environmental toxin has on the human body?

Abody cell has been growing and at synthesis proteins.in the nucleus of this body cell,dna replication is taking place. and a copy of the cells genetic material is copied.which of the following is the best conclusion you can make about the life cycle of this cell ? a) the cell is ready to undergo mitosis.and a chemical signal will send the cell to prophase b)the cell is undergoing meiosis and will cross over the genetic material next c)the cell is in the s phase of interphase and will move next to the g2 phase d) the cell is in the g2 phase of the interphase and is ready to begin diving

Which is a kingdom? protistachordataprokarya mammalia