The Embryonic Heart

question 180

Multiple Choice

The embryonic heart

• A) develops from two endothelial tubes that fuse together.
• B) consists of four chambers.
• C) has two atria but only one ventricle.
• D) doesn't beat until just prior to birth.
• E) has no passages connecting right side to left side.

---

Definitions:

Revenue Bond

A type of municipal bond supported by the revenue from a specific project, such as a toll bridge or highway.

State Income Taxes

Taxes imposed on income by individual states, varying in rates and structures, applicable to income earned by residents and, in some cases, non-residents working in the state.

U.S. Treasury Bonds

Long-term government debt securities issued by the U.S. Department of the Treasury with a maturity of more than ten years, offering periodic interest payments to investors.

Subprime Mortgages

are loans granted to borrowers with low credit scores, posing a higher risk of default.