Which of these are functions of hair?a: Sensory receptionb: Heat retentionc: Immune functiond: Protectione: Formation of Vitamin D3
A. a, b, c, d, e
B. a, b, d, e
C. a, b, d
D. a, d, e
Answer: C
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The directional term that means "closest to the point of attachment to the trunk" is
A. distal. B. dorsal. C. proximal. D. medial. E. cephalic.
The term polar is used to describe molecules because
A) such molecules are always linear in shape. B) there are at least two distinct ends of the molecule regarding electron position and the resulting charge. C) there are at least two distinct ends of the molecule regarding hydrogen placement. D) polar covalent molecules are found in colder climates. E) polar covalent molecules were first discovered in polar bears.
The auditory ossicles are part of the ________ skeleton.
A. appendicular B. axial
Which vessel supplies the systemic circuit with oxygenated blood?
A) aorta B) superior vena cava C) coronary sinus D) pulmonary trunk