Which Terms Are Used to Describe the Cluster of Developing

question 221

Multiple Choice

Which terms are used to describe the cluster of developing human cells prior to implantation in the uterine wall,and then after implantation

• A) zygote, then embryo 
• B) fetus, then zygote 
• C) zygote, then fetus 
• D) embryo, then fetus

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Definitions:

Anti-B Antibodies

Specific proteins found in the blood plasma that target and bind to the B antigen on red blood cells.

Anti-A Antibodies

Proteins produced by the immune system that specifically target and bind to antigen A on the surface of red blood cells.

Electrolytes

Minerals in body fluids that carry an electric charge, important for hydration, blood pH, and nerve and muscle function.

Hormones

Chemical messengers produced by glands that regulate physiological and behavioral activities.