Hello, I'm Alice . Today I draw a beautiful picture. It is made up of( 由……组成 ) many shapes. From the picture, we can see a man and a dog. The man's head is a brown circle ( 圆圈 ). His eyes are two black circles. His arms are made up of blue squares （正方形） , brown circles, red rectangles （长方形） and yellow stars. Oh, there is a red heart （心型） in his body.

  There is a dog near the man. The dog is made up of three green triangles （三角形） , three red rectangles, two green squares and a brown circle.

Questions:

(1) What shape is the man's head?

(2) What shape are the man's arms?