When blood is deoxygenated and flowing back to the heart through the veins, it is dark reddish-blue in color. Blood in the arteries that is oxygenated and flowing out to the body is bright red. Whereas arterial blood comes out in spurts, venous blood flows.
Did you know?
Your heart beats over 36 million times a year.
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By definition, when a medication is administered intravenously, its bioavailability is 100%.
Did you know?
Medication errors are more common among seriously ill patients than with those with minor conditions.
Did you know?
If all the neurons in the human body were lined up, they would stretch more than 600 miles.
Extinction of species in the past.
The life cycle of HIV
An overview of photosynthesis: cooperation of the light reactions and the Calvin cycle.
Hydrologic cycle
Life Cycle Nutrition: Toddlers through the Later Years