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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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

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The anterior weight-bearing structure of the vertebra is the:

A) pedicle. B) vertebral body. C) lamina. D) spinous process.

Anatomy & Physiology

Pain may be elicited by thermal or chemical stimuli

Indicate whether the statement is true or false

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