Answer:
Lumen corresponds to the central opening of a vessel (option d).
Explanation:
From the biological point of view, lumen is the internal space of any structure or tubular organ, whose purpose is the conduction of substances through it.
In the case of blood vessels, the lumen is a central space covered by a simple epithelium, called the endothelium, which ensures the passage of blood in a fluid form.
The other options do not correspond to the answer:
<em> a. </em><u><em>Vessel that empties into the right atrium</em></u><em> is the vena cava</em>
<em> b. </em><u><em>Fibrous sac around the heart </em></u><em>is the pericardium.
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<em> c. </em><u><em>Structure that keeps fluid moving forward</em></u><em>, it is a blood vessel.
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<em> e. </em><u><em>Lower, pointed region of the heart</em></u><em>, corresponds to the cardiac apex.</em>
Slow twitch muscle fibers cause muscles to exert force for a long time
Answer: People with OCD know their disorder is irrational
Explanation: Among the differences between OCD and OCPD is that those people who have OCD are aware of their obsessions and compulsions, and feel anguish because they cannot control it. Those with OCPD understand that their behaviors have an end and a purpose.
Answer:
Linear fracture: best match: The bone is broken through.
Explanation:
Linear fractures are <em>clean</em> fractures, that cause no damage to the skin, (a closed fracture), the bone is not crushed, ( a compression fracture) and the brake could run parallel to the long axis of the bone,(a transverse fracture) or just break it through.
I hope it helps!
