Question

what is common betwen glycogen and starch 2. Chlorophyll and hemoglobin 3. gills and lungs 4.arteries and veins​

Answer 1

1. Both are complex sugar
2. both are pigments
3. both are respiratory organ
4. both are transporting pipes which carry blood

Answer 2

1. they are complex sugar
2. they are pigments
3. they are respiratory organs
4. they are human blood transporter