★ Reproduction in Human Beings Quiz
What structure protects and cushions the fetus throughout its prenatal development?
A. amniotic sac and fluid
B. placenta
C. umbilical cord
D. vagina
Select your answer:
Topics:
Eczema Genetics Vocabulary Cancer & Cell Cycle Enzymes and Digestion Biochemistry Anatomy Respiratory System Movement and Locomotion Psychiatry Terms and Definitions - Diseases Body Structures and Organ Systems Skeleton Head and Neck Anatomy Blood Formation and Clotting Joints & Movement Muscles and Healthy BodyOther quiz:
Virus › ViewWhat is the 1st step of virus infection?
A. Entry
B. Attachment
C. Replication
D. Assembly
Nervous System › View
The spaces between the covered parts of an axon are called:
A. synaptic clefts
B. nodes of Ranvier
C. Ventricles
D. Vesicles