How Are the Pulmonary Veins and the Umbilical Veins Similar

question 59

Multiple Choice

How are the pulmonary veins and the umbilical veins similar?

• A)They are both present in an adult human.
• B)They both carry blood to the lungs.
• C)They both connect to the superior vena cava.
• D)They both carry oxygen-rich blooD.
• E)They both connect to the placenta.

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Definitions:

Recessive Gene

A gene that expresses its traits only when paired with an identical gene, as opposed to a dominant gene's traits which can manifest with only one copy.

Heterozygous Pair

A genetic condition where an individual has two different alleles of a particular gene, one inherited from each parent.

Down Syndrome

A genetic disorder caused by the presence of an extra 21st chromosome, leading to developmental and physical characteristic differences.

Mental Retardation

An outdated and now considered offensive term for intellectual disability, which is characterized by limitations in intellectual functioning and adaptive behavior.