Search over 10,000 free study notes

The cilia and sticky mucus work together to protect the lungs from infection, forming what is known as a mucociliary escalator. The mucus traps any bacteria or pathogens as they enter the lungs, and...

Cystic fibrosis is a genetic condition which causes an increase in thick mucus, which can become deposited in the lungs. The condition affects the body's ability to control the salt and water which moves ...

There are certain words that need to be defined before answering the question, just to make sure that it is fully understood.Allele = a different form of a gene Heterozygous = in each fruit fly, there are...

The surface area of the small intestine in a healthy person is really large! The reason for this is the villi covering the inside of the small intestine. We need all this surface area to absorb the nutrie...

Chlorophyll.