Which function is demonstrated by the diaphragm contracts and moving downward?

Which best explains how the human body obtains energy from food? O O A. By inhaling oxygen into the lungs B. By exhaling carbon dioxide C. By removing dangerous wastes D. By breaking and reforming chemical bonds O O

Which is NOT commonly used to allow exchange of water and solutes among body fluid compartments? phagocytosis filtration active transport diffusion osmosis

Which best relates cells and viruses? Viruses grow and reproduce like cells. Cells can infect specific host viruses. RNA is found in cells, but not in viruses. Viruses can infect certain cells.

How does the nervous system and moral processes relate tolearning and memory.

In the 1600s, which scientist discovered microbes in pond water by using a microscope? A. Theodor Schwann B. Robert Hooke C. Anton van Leeuwenhoek D. Matthias Schleiden

Compare and contrast Rotation and revolution

All of the following are examples of surface water except aquifers or streams or lakes or rivers

What body system functions in secreting chemicals that act as relatively slow-acting messengers between body parts? select one: a. the nervous system b. the endocrine system c. the lymphatic system d. the cardiovascular system e.

How are scientist able to compare DNA from bones or teeth to that found in hairs on a hair brush?

A lump of coal and a can of gasoline are examples of: A. Gravitational kinetic energy. B. Chemical potential energy. C. Gravitational potential energy. D. Chemical kinetic energy.