After the infant is born, the umbilical vein becomes the ________.
A. fossa ovale
B. round ligament
C. ligamentum venosum
D. ligamentum arteriosum
Answer: B
Anatomy & Physiology
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Oxygen unloading in a RBC due to declining pH is called the ________.
Fill in the blank(s) with the appropriate word(s).
Anatomy & Physiology
The ability to demonstrate an immune response after exposure to an antigen is called __________.
a. anaphylaxis b. immunosuppression c. immunocompetence d. passive immunity
Anatomy & Physiology
Cytotoxic T cells kill body cells by phagocytosis
Indicate whether the statement is true or false.
Anatomy & Physiology
What is the role of an enzyme in a chemical reaction?
A. Lowers the temperature of the reaction B. Raises the temperature of the reaction C. Raises the energy of activation D. Lowers the energy of activation
Anatomy & Physiology