Multiple Choice
What is one reason blood pressure in an artery is higher than in a vein?
A) Arteries have thick walls that contain layers of muscle and connective tissue.
B) Arteries have one-way valves to prevent blood from flowing backward.
C) Arteries contain only oxygenated blood.
D) Arteries contain all types of blood cells, whereas veins contain only erythrocytes.
Correct Answer:
Verified
Correct Answer:
Verified
Q2: The fluid portion of the blood is
Q37: Lymph nodes aid in the destruction of
Q39: Red blood cells are called _.
Q41: Which of the following types of blood
Q43: Which of the following has the lowest
Q45: What is the role of valves in
Q46: Thrombin catalyzes the conversion of the plasma
Q47: In a random screening of athletes at
Q52: Imagine that you are a red blood
Q80: Why is HDL cholesterol considered to be