Which statement best describes a factor that determines the strength of a muscular connection? A)the type of motor neuron required to perform a task
B)the number of motor units recruited to perform a task
C)the width of the motor nerve in relation to the proprioceptor
D)the length of the neuromuscular junction from the spinal cord

Andrew feels good about himself. he doesn't know exactly why he is so happy, but every day he looks forward to his schoolwork and chores. "i play a game," he says. "i make a list of everything i have to get done, and then i try to finish it all before a certain time. for some reason, i feel great when i beat my time." based on this information, why is andrew happy? he gets a proper amount of sleep he eats healthy meals he has a strong family support group he regularly meets his own goals