Muscles can contract because they are made up of
A)motor neurons.
B)effector cells.
C)connector neurons.
D)sensory neurons.

Question

Quizplus · Accepted Answer

Muscles are made up of effector cells, also known as muscle fibers. These fibers contain proteins that allow them to contract when stimulated by nerves. Motor neurons are the nerves that stimulate the muscles to contract, but they are not part of the muscle tissue itself. Connector neurons transmit signals between neurons, while sensory neurons receive signals from sensory organs and transmit them to the central nervous system.

Muscles Can Contract Because They Are Made Up of