Refer to the Figure Showing the Excretory System of an Annelid

question 119

Multiple Choice

Refer to the figure showing the excretory system of an annelid. Based on the figure, which statement about the excretory system of annelids is false?

• A) Structure 8 is a nephridiopore through which dilute urine exits the animal.
• B) The walls of structure 6 are impermeable and prevent blood from leaving the closed circulatory system of annelids.
• C) Ammonia diffuses directly from tissues into structure 7.
• D) Cells of structure 4 reabsorb and secrete certain molecules.
• E) Structure 3 has cilia that sweep coelomic fluid into the metanephridium.

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Definitions:

External Genitals

The reproductive organs located outside the body, crucial for sexual reproduction and urinary excretion.

Vaginal Deliveries

The childbirth process in which a baby is born through the mother's birth canal.

Episiotomy

A surgical incision between the birth canal and anus that widens the vaginal opening.

Second Stage

In the context of childbirth, the phase during which the woman actively pushes to deliver her baby.