Answer:
The augmented reality (AR) technology
(A lunar-phase observation system)
Explanation:
The answer is C. salt mrash
Having traveled through the arteries and capillaries, the blood have already lost considerable amount of pressure when it is to travel through the veins. The veins are composed of one-way valves as when the veins are squeezed, it pushes the blood to the valves.
Redundant mechanisms
To maintain homeostasis, redundant mechanisms are present in the body so that when one of the systems fails, other complementary or backup systems can help to compensate and ensure the survive of the organism by maintaining homeostasis. Examples of these redundant systems involve blood pressure regulation, temperature regulation, breathing and pH control in the body during exercise.
