In Animals,a Sphere of Embryonic Cells Surrounding a Fluid-Filled Cavity

question 46

Multiple Choice

In animals,a sphere of embryonic cells surrounding a fluid-filled cavity is called a

• A)gastrovascular cavity.
• B)blastula.
• C)coelom.
• D)gastrula.
• E)hydrostatic skeleton.

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Definitions:

Pelvic Inflammatory Disease

An infection of the female reproductive organs often caused by sexually transmitted bacteria, leading to inflammation.

Infertility

is the inability to conceive a child after a year or more of regular sexual intercourse without the use of birth control.

Women

Female humans, considered both individually and collectively, often with respect to social, cultural, biological, and gender identity aspects.

Sexual Arousal

The physiological and psychological state of being stimulated or excited sexually.