Ectoderm Is to ________ as Mesoderm Is to ________

question 69

Multiple Choice

Ectoderm is to ________ as mesoderm is to ________.

• A) nervous system; muscular system
• B) cardiovascular system; neural tissue
• C) mesoderm; endoderm
• D) epithelial tissue; connective tissue
• E) all of the above

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Definitions:

Slow-Wave Sleep

A deep stage of sleep characterized by low-frequency, high-amplitude brain waves, associated with physical and mental restoration.

Melatonin

A hormone produced by the pineal gland that regulates sleep and wakefulness, often referred to as the "sleep hormone."

Circadian Rhythm

The physical, mental, and behavioral changes that follow a 24-hour cycle, primarily responding to light and darkness in an organism's environment.

Natural Substance

refers to any product or material found in nature, not artificially produced, often used in context with foods, medicines, and other products.