Examlex
Which of the following statements about Vygotsky's theory is true?
Simple Squamous Epithelium
A single layer of flat, scale-like cells that line organs and body cavities, allowing for easy diffusion or filtration due to their thinness.
Alveoli
Tiny air sacs within the lungs where gas exchange occurs, allowing oxygen to enter the bloodstream and carbon dioxide to be expelled during respiration.
Blood
A body fluid in humans and other animals that delivers necessary substances such as nutrients and oxygen to cells and transports metabolic waste products away.
Alveoli
Tiny air sacs in the lungs where gas exchange between the air and blood takes place.
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