Multiple Choice
Which vessel receives blood directly from the right ventricle of the heart?
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1. Introduction to Anatomy & Physiology
Introduction to Organ Systems
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Join thousands of students who trust us to help them ace their exams!Watch the first videoMultiple Choice
How many thoracic vertebrae are present in the human vertebral column?
A
10
B
5
C
7
D
12
Verified step by step guidance1
Step 1: Understand the structure of the human vertebral column, which is divided into five regions: cervical, thoracic, lumbar, sacral, and coccygeal.
Step 2: Recall that the thoracic region of the vertebral column is located between the cervical (neck) and lumbar (lower back) regions.
Step 3: Note that the thoracic vertebrae are characterized by their articulation with the ribs, forming the rib cage to protect vital organs such as the heart and lungs.
Step 4: Memorize the specific number of vertebrae in each region of the vertebral column: cervical (7), thoracic (12), lumbar (5), sacral (5 fused), and coccygeal (4 fused).
Step 5: Confirm that the thoracic region contains 12 vertebrae, which is the correct answer to the question.
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