The Cells That Form the Neural Tube Come from the

question 55

Multiple Choice

The cells that form the neural tube come from the

• A) notochord.
• B) mesoderm.
• C) endoderm.
• D) ectoderm.
• E) neural crest.

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Definitions:

Physiological Changes

Alterations in the body's normal biological functions, which can occur due to aging, disease, environmental factors, or lifestyle changes.

Vaginal Lubrication

The natural process by which the vagina produces fluid to facilitate sexual intercourse and reduce friction.

Nipple Erection

The involuntary hardening or protrusion of the nipples in response to cold, arousal, or stimulation.

Menstrual Period

The phase in the menstrual cycle where the lining of the uterus is shed and exits the body through the vagina, typically lasting a few days to a week.