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Smoke contains contents that can irritate the respiratory tract, which can lead to inflammation of the Bronchi. This is termed Bronchitis. Cilia may be damaged by tar, leaving them immobile, which means t...

There are two circulatory systems in the body that enable blood to flow around the body. One system is between the heart and the lungs, and the other is from the heart to every other part of the body. The...

Cystic Fibrosis is a recessive disease, therefore for Sally to have the condition she must have a homozygous recessive genotype, with one recessive allele of the gene from the mother and one from the fath...

As we are told that the value of x is equal to 3, we are able to substitute this into our equation, so it becomes: 2(3)^2. We then use the rules of BIDMAS, so we must square the number 3 first (meaning we...

Adenosine triphosphate (ATP for short) is used to provide the energy for many cellular functions - by both animal and plant cells - as cells are unable to source their energy directly from sugars such as...