|
|
Did you know?
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?
It is difficult to obtain enough calcium without consuming milk or other dairy foods.
Did you know?
The average adult has about 21 square feet of skin.
Did you know?
By definition, when a medication is administered intravenously, its bioavailability is 100%.
Did you know?
Essential fatty acids have been shown to be effective against ulcers, asthma, dental cavities, and skin disorders such as acne.