This figure shows a cross-sectional view of the developing embryo. Which of the three primary germ layers does number 1 indicate?
A. Endoderm
B. Mesoderm
C. Ectoderm
Answer: B
Anatomy & Physiology
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Pain may be elicited by thermal or chemical stimuli
Indicate whether the statement is true or false
Anatomy & Physiology
What type of immune defense cell is selectively invaded by AIDS virus?
a. cytotoxic T cells b. helper T cells c. suppressor T cells d. macrophages e. neutrophils
Anatomy & Physiology
Hypertension increases afterload, making it more difficult for the ventricles to eject blood.
Answer the following statement true (T) or false (F)
Anatomy & Physiology
The anterior weight-bearing structure of the vertebra is the:
A) pedicle. B) vertebral body. C) lamina. D) spinous process.
Anatomy & Physiology