A student wrote the following about the lungs. When we breathe in, our lungs inflate, sucking air in and pushing the ribsup and out, and forcing the diaphragm down. This is called respiration. Inthe air sacs of the lungs, the air enters the blood. The blood then takes theair around the body, where it is used by the cells. The blood returns to thelungs to be cleaned. When we breathe out, our lungs deflate, pulling thediaphragm up and the ribs down. The stale air is pushed out of the lungs. The student did not have a good understanding of the workings of thelungs. Re-write their description, using correct biological words and ideas.

What are the most explosive events that occur on the sun? umbras solar flares solar winds prominences

Bisphenol a (often called bpa) is a chemical found in products that people use every day, from water bottles to food containers to children's toys. unfortunately, bpa leaches out of its many products and makes its way into our bodies. what are the health effects of bpa exposure? ongoing research is finding that elevated exposure to bpa can affect a wide variety of developmental and physiological processes, but one of the first studies of bpa's health effects came about because of a simple mistake in the lab. at a laboratory at case western reserve university in 1998, geneticist patricia hunt was making a routine check of her female lab mice. as she extracted and examined developing eggs from the ovaries, she began to wonder what had gone wrong. she noticed that many of the eggs showed problems with their chromosomes, and some had irregular amounts of genetic material, which can lead to miscarriages and birth defects in mammals. she learned that a lab assistant had mistakenly washed the plastic mouse cages and water bottles with a harsh soap, releasing bpa from the plastic. knowing that bpa is an endocrine disruptor, a chemical that can enter organisms and mimic hormones, hunt set out to discover whether it had adversely affected her mice.

What is the approximate time of death of the body temperature is 29.4 degrees celsius