Figure 42.11 Use the Figure Above Showing Human Embryonic Developmental Day 14

question 66

Multiple Choice

Figure 42.11
Use the figure above showing human embryonic developmental day 14 to answer the following question.
-The structure that later becomes part of the placenta is indicated by ____.  

• A) A
• B) B
• C) C
• D) D
• E) E

Identify the changes in blood pressure in response to physical activity.

Identify and understand fetal circulatory structures and their adult remnants.

Understand the flow of blood through the heart, lungs, and systemic circulation.

Comprehend the differences between oxygenated and deoxygenated blood and their pathways in the cardiovascular system.

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Definitions:

Microglia

Specialized type of glial cells in the brain and spinal cord that act as the main form of active immune defense in the central nervous system.

Ependymal Cells

Specialized glial cells that line the ventricles of the brain and the central canal of the spinal cord, involved in the production of cerebrospinal fluid.

Oligodendrocytes

Glial cells in the central nervous system that produce myelin, a substance that forms a sheath around nerve fibers to facilitate electrical impulse conduction.

Phagocytose Bacteria

The process by which cells, particularly immune cells like macrophages, engulf and digest bacteria.