Answer:
Intrinsic is generally most effective
Blood has three main functions: transport, protection and regulation. Blood transports the following substances: Gases, namely oxygen (O2) and carbon dioxide (CO2), between the lungs and rest of the body. Nutrients from the digestive tract and storage sites to the rest of the body.
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Texting and driving because the motorists takes their eyes off the road and realizes that they have to stop at the last minute.
Symptoms of depression include having a loss of energy, change in appetite or weight particularly noticeable weight gain or loss, trouble focussing, feelings of hopelessness, and loss of daily interest in activities.
