The yolk stalk and body stalk fuse during week five, forming the
A) amnion.
B) allantois.
C) chorion.
D) umbilical stalk.
E) primitive streak.
D) umbilical stalk.
You might also like to view...
A single nerve cell or ____________________ typically consists of the following three basic parts: ____________________, ____________________, and ____________________
Fill in the blank(s) with correct word
All of the following veins drain into the inferior vena cava EXCEPT the ________
A) lumbar veins B) external iliac vein C) gonadal veins D) adrenal veins
What is the main job of the pharynx?
A) mechanical digestion B) propulsion C) absorption D) secretion
Which of the following does not describe how products of fat digestion are absorbed and transported?
A) Absorbed fatty acids are assembled into protein-lipid packages. B) Lipid rich packages reach the venous circulation via the thoracic duct. C) Lacteals transport materials that cannot enter the blood capillaries. D) Fats must pass through the simple columnar epithelium lining the small intestines. E) Brush border enzymes break down the fats so they can be directly absorbed into the bloodstream.