Answer:
Blue.
Explanation:
People think that out blood is blue in our veins because, when headed back to the lungs, it lacks oxygen. This is wrong; human blood is never blue. The bluish color of vein is only an optical illusion. Blue light does not penetrate as far into tissue as red light. Hope this helps!
Explanation:
The function of the quadriceps femoris muscle is to extend the leg at the knee joint and to flex the thigh at the hip joint.
Answer:
So while the classical symptoms, such as chest pains, apply to both men and women, women are much more likely to get less common symptoms such as indigestion, shortness of breath, and back pain, sometimes even in the absence of obvious chest discomfort
A.Immunity! I may not be right but here you go
