The main function of the right side of the human heart <span> receives de-oxygenated blood from the body tissues (from the upper- and lower-body via the superior vena cava and the inferior vena cava, respectively) into the </span>right<span> atrium. This de-oxygenated blood passes through the tricuspid valve into the </span>right<span>ventricle</span>
Is there any optional answers?
Adaptors are unconscious, and can be signs of many things as they are menial gestures we create in response to certain situations. It's a form of nonverbal communication that doesn't really fall into any one category besides the first. My best guess is A, by this understanding.
