After Years of Extensive Research, It Has Been Determined That

question 40

True/False

After years of extensive research, it has been determined that fathers have very little influence on prenatal development.

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Definitions:

Sphincter

A ring-like muscle that controls the passage of substances through an opening in the body, such as the anus or esophagus.

Smooth Muscle

A type of muscle tissue which is not under conscious control, found in the walls of internal organs such as the stomach and intestines.

Humerus

The long bone in the upper arm or forelimb, extending from the shoulder to the elbow.

Cartilaginous Skeleton

A type of anatomical structure where the skeleton is made entirely of cartilage, as seen in sharks and rays.