The Four Curves of the Adult Spinal Column Are Not

question 19

Multiple Choice

The four curves of the adult spinal column are not all present at birth. Which of the following are thesecondary curves, which do not appear until several months later?

• A) cervical and lumbar
• B) thoracic and lumbar
• C) sacral and lumbar
• D) thoracic and sacral
• E) cervical and sacral

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Definitions:

Natural Killer Cells

Natural Killer Cells are a type of lymphocyte in the immune system that can recognize and destroy cancerous or virus-infected cells without prior sensitization.

Lymphatic Vessels

Part of the lymphatic system, these vessels carry lymph fluid throughout the body, aiding in the removal of toxins and waste.

Digestive Tract

The series of hollow organs joined in a long, twisting tube from the mouth to the anus, where digestion and absorption of food occurs.

Lipids Absorption

The process by which lipids are taken up from the digestive tract into the bloodstream or lymphatic system for use or storage in the body.