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Expiration at rest in the human body is a passive process, due to elastic recoil in the muscles responsible to inspiration. The Diaphragmrelaxes and moves up, The intercostal muscles relaxes and the rib c...
The sympathetic nervous system and parasympathetic nervous systems are both part of the autonomic nervous system. They work together to achieve homeostasis. The sympathetic nervous system primarily act...
DNA has a double helix structure, RNA is usually single-stranded DNA is stable, RNA is very unstable DNA is longer, RNA is generally shorter DNA contains Thymine, RNA contains Uracil DNA contains a deoxyr...
A large surface area for gaseous exchangea waxy cuticle prevents water lossthe spongy mesophyll layer has air spaces which allow for efficient gasious exchange Stomata allow gases to enter and exit the le...
The cell theory states that:All living organisms are composed of cells (unicellular or multicellular)The cell is the smallest unit of lifeAll cells come from the division of pre-existing cellsExceptions:S...
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