Most environmental hazards, like infectious pathogens, must reach human hosts if they are to cause harm. Think of five or more environmental agents that can cause disease in humans and, for each, describe two or more routes by which people might be exposed to them.

What is produced during the krebs cycle? co2, atp, nadh, and fadh2 pyruvate, co2, and atp atp, fadh2, and h2o h2o, adp, and nadh

Transmission electron microscope are best for viewing a) microorganisms in pond water b) internal organs of a mouse c)internal structures of a cell d) surface features of a specimen

Drag each tile to the correct box. the body monitors the levels of oxygen in the blood to regulate breathing. isabel is running in a marathon and is near the finish line. she feels out of breath. how will her nervous system work to generate a reaction? arrange the tiles in chronological order. isabel's breathing rate increases. sensory receptors in the arteries detect low oxygen levels. the brain sends signals through motor neurons. sensory neurons generate an impulse. the central nervous system relays an impulse to certain brain regions.