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Water moves via osmosis; this process is where water moves from an area of higher water potential to an area of low water potential with no energy required to be inputed into the system. 

The diaphragm is a large muscle located at the base of the lungs. It is naturally dome shaped when relaxed. 

When we need to inhale, the diaphragm will contract and flatten out. This increases the ...

There are two key pieces of terminology that it is important to understand with this question; genotype and phenotype. All sexual organisms inherit a mix of genes from th...

Expiration is a passive process. It happens due to relaxation, not contraction, of the muscles of the chest. As well as the elastic recoil of the lungs. Both of these processes do not require energy and h...

Active Transport 

• Normally soil ion concentrations will be low, and high in the root cells. The ions have to move up a concentration gradient and therefore requires an energy-using process to...