Blood bypasses the fetal liver through the ____
a. umbilical arteries
b. umbilical veins
c. ductus venosus
d. foramen ovale
e. ductus arteriosus
ANSWER: c
You might also like to view...
Net primary ________ is the energy available to the heterotrophic component of the ecosystem
Fill in the blank(s) with correct word
The main nitrogenous waste of adult amphibians is:
a. ammonia. b. urea. c. uric acid. d. peptides. e. purines
A monocular microscope uses a beam of light that usually passes through two lenses. The two lenses limit the total magnification of the specimen being observed. Suppose one lens magnifies an image 10 times (10x), and the magnifying power of the three others lenses are 10x, 20x, and 40x, respectively. What is the highest magnification of a specimen that can be seen with this microscope?
A) 10x B) 30x C) 400x D) 200x
If two parents with short fingers (dominant) have a child with long fingers, what is the chance that their next child will have long fingers?
a) 1/16 b) 1/2 c) 3/16 d) 1/4