Veins are favored over arteries because they have thinner walls, and thus they are easier to pierce. There is also lower blood pressure in veins so that bleeding can be stopped more quickly and easily than with arterial puncture.
Answer:
An acid is a chemical that dissociates releasing free hydrogen ions.
Explanation:
The chemical equation for an acid is HA⇄A- + H+
The free hydrogen ion (H+) is what gives the substance the quality of acid.
Answer:
Explanation:
Anemia is lack of RBC in body or disfunctional RBCs. Risk factors would be things that make you prone to have this disease. Some commonly known factors are:
- Age (more common as you keep aging)
- Family history (genetics does make you less or more prone)
For more info visit: https://www.mayoclinic.org/diseases-conditions/anemia/symptoms-causes/syc-20351360
Answer: Trigger the production of anti-bodies
Explanation:
An antigen is a substance that can provoke an immune reaction, these can produce antibodies through the immune system which identifies and neutralizes viruses, bacteria and other pathogens.
An antigen can be an external or harmful molecule for the organism, when it enters the body it binds to a specific antibody which have great variability to promote immunological reactions.
Answer:
muscular contraction and stress
Explanation:
