While looking at the figure, the union of the left and right brachiocephalic veins is Point A.
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What are brachiocephalic veins?</h3>
- The internal jugular vein and the subclavian vein join to form the brachiocephalic veins, also known as the innominate veins, which are substantial venous systems in the thorax.
- On the right side of the upper chest, the superior vena cava is formed by the union of the left and right brachiocephalic veins.
- These blood arteries are an essential part of the circulatory system in humans because they facilitate the removal of deoxygenated blood from the head and upper limbs.
- The internal jugular vein on the right and subclavian vein on the left combine to form the brachiocephalic veins. Both the vena cava and the brachiocephalic veins lack valves.
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Answer:
1. evolution
Explanation:
reproductive seperation hinders the capability of different species to produce an offspring and it also serve as a barrier to maintain integrity of each species wherein genes flow or reduced
The image shows a phospholipid bilayer. Macromolecules that make up most of the structure that is shown are proteins and lipids. Lipids can make up 20% to 80% of the membrane depending on the location and type of the cell. The rest is made up of proteins.
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