Examlex
What is not a risk factor for contracting HIV?
Voluntary
Actions or movements that are under conscious control, often referring to the contraction of skeletal muscles.
Myoblasts
Precursor cells that are responsible for muscle development through the process of differentiation and fusion to form muscle fibers.
Erythrocytes
Red blood cells, which carry oxygen from the lungs to the body's tissues and return carbon dioxide from the tissues back to the lungs.
Osteoblasts
Cells that are responsible for bone formation by synthesizing the bone matrix and mineralizing it.
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