The right answer is vein (it contains blood and has valves).
The infra-cardiac veins of small and medium caliber possess this system of fight against gravity. The valves consist of a dense connective tissue, surmounted by endothelial cells, corresponding to a fold of the intima. They allow blood circulation in the sense organ / heart but prevent venous reflux.
The correct answer for this question would be the third option. The statement that correctly compares the benefits of two forms of renewable energy is this: <span>Solar power and wind power are both clean energy sources. They are considered as clean and renewable energy because both are natural energy and are always available. Hope this answer helps</span>
This produces medicines that can possibly save the lives of cancer infected patients who otherwise could die.
Answer:
The Gestalt Principles are a set of laws arising from 1920s’ psychology, describing how humans typically see objects by grouping similar elements, recognizing patterns and simplifying complex images. Designers use these to engage users via powerful -yet natural- “tricks” of perspective and best practice design standards.
Explanation:
"Metabolic Pathway" is what I believe the answer is.
