Which of the following is not an involuntary action?

Write the main functions of the following :
$(a)$ Sensory neuron
$(b)$ Cranium
$(c)$ Vertebral column
$(d)$ Motor neuron

Which hormone of the pituitary gland causes contraction of uterine muscles during childbirth and stimulates milk ejection from the mammary glands in females?

Which of the following is not an involuntary action?

In which lobe of the cerebrum are the centers for temperature,smell,and touch located?

What are reflex actions? Give two examples. Explain a reflex arc.