An embryonic septum that develops within the bulbus cordis and truncus arteriosus produces what structures?
A. The right and left ventricles
B. The right atrium and right ventricle
C. The ascending aorta and pulmonary trunk
D. The left atrium and left ventricle
E. The right and left atria
Answer: C
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Fill in the blank(s) with correct word
Which type of water facility is commonly used in hatcheries?
a. ponds c. tanks b. raceways d. vats
Which of the following functional and structural characteristics are associated with each other?
A) synovial and diarthroses B) cartilaginous and diarthroses C) fibrous and diarthroses D) synovial and synarthroses
The presence of a cellular clock, presence of "death genes" and damage to DNA or mitochondria are all theories of _____
A. cleavage B. death C. aging D. differentiation