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People with cystic fibrosis have a faulty gene which means they produce excess amounts of mucus. Lots of this mucus is produced in the airways and tends to build up in the lungs. The function of mucus is ...

Less chlorophyll in the leaves means that less photosynthesis can occur. The process of photosynthesis produces glucose, so less photosynthesis will mean that there is less glucose produced. This leads to...

The chances of a human male having a longer lifespan could be increased via a variety of factors and ways. Three examples of such ways are listed below.
The availability of clean, drinkable water for...

An endocrine gland is a set of cells that secrete hormones directly into the blood. An example would be the pituitary gland.
Another type of gland is an exocrine gland but these use ducts to secrete ...

Plant cells have a thick waxy cuticle which is transparent to allow sunlight to pass through and it also minimises water loss. There are air spaces in the spongy mesophyll which allows gas exchange to occ...