Assessment criteria 2.2 Part 1: The diagram below shows six components that make up the placenta. A B C a) Name components A to E. Component Name A B C Component Figure.3 Structure of the placenta Uterine Artery b) Relate the structure of the following components shown in Figure.3 to the biological function they provide: Biological Function Intervillous Space Umbilical artery Umbilical vein Chorionic Villi Component Name D E D Structural Feature(s) c) With reference to the intervillous space and chorionic villi specifically, outline how the maternal and foetal blood are not permitted to mix during pregnancy, and explain why this is so important.

Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
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Assessment criteria 2.2
Part 1: The diagram below shows six components that make up the
placenta.
A
B
с
a) Name
components A to E.
Component Name
A
B
C
Component
Figure.3 Structure of the placenta
Uterine Artery
Intervillous
Space
Umbilical artery
b) Relate the structure of the following components shown in
Figure.3 to the biological function they provide:
Biological Function
Umbilical vein
Chorionic Villi
Component Name
D
E
D
Structural
Feature(s)
E
c) With reference to the intervillous space and chorionic villi
specifically, outline how the maternal and foetal blood are not
permitted to mix during pregnancy, and explain why this is so
important.
Transcribed Image Text:Assessment criteria 2.2 Part 1: The diagram below shows six components that make up the placenta. A B с a) Name components A to E. Component Name A B C Component Figure.3 Structure of the placenta Uterine Artery Intervillous Space Umbilical artery b) Relate the structure of the following components shown in Figure.3 to the biological function they provide: Biological Function Umbilical vein Chorionic Villi Component Name D E D Structural Feature(s) E c) With reference to the intervillous space and chorionic villi specifically, outline how the maternal and foetal blood are not permitted to mix during pregnancy, and explain why this is so important.
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