Can someone check my answers for my three questions? i will fan and will also give a medal.

1) which of the following is most likely to be an observation made by an anatomist?

a) blood is made up of cells suspended in a fluid extracellular matrix.

b) cartilage provides support and protection for developing bones.

c) the heart has a protective outer covering that produces serous fluid.

d) specialized cells in the epidermis produce the dark pigment known as melanin.