Answer:
The basic processes of life include organization, metabolism, responsiveness, movements, and reproduction. In humans, who represent the most complex form of life, there are additional requirements such as growth, differentiation, respiration, digestion, and excretion. All of these processes are interrelated.
Autonomic
Suppose you've designed an electrically operated security system that includes sensors and activators. Signals are sent from sensors to an activator that sounds an alarm. This signal or message can be compared to impulses sent along autonomic nerve paths.
The autonomic nervous system is a division of the peripheral nervous system that contains sets of neurons which functions by receiving information from the environment and from other parts of the body. The autonomic nervous system controls involuntary body functions such as heartbeat, pupillary response, sexual arousal, blood flow, emotional response, breathing, and digestion.
The soft sound of rain on the roof has crossed a perceptualline known as your absolutethreshold for detecting an auditorysignal.
The lowest magnitude at which a sensory stimulus will consistently elicit a sensation is referred to as absolutethreshold.
Example, noticing the soft song of the rain on roof, to determine the smallest amount of perfume that a subject can detect in a largeroom.
Thus, the answer is absolutethreshold.
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B) Capillaries
C) Varicose veins
D) Atrioventricular node
Arteries are the blood vessels which use elasticity to push blood further along the bloodstream. Correct answer: A They carry blood away from the heart to the rest of the body.
The middle layer of the arteries has smooth muscle and elastic fibers. The elastic fibers in the arteries expand to accommodate the blood and this way they help in maintaining a high-pressure gradient.