Answer:
Among the different disaccharides, lactose (milk sugar) is the only carbohydrate of animal origin.
Medial because it would be by the go to the box of Oreos I
Superior vena cava
Inferior vena cava
Right atrium
Tricuspid valve
Right ventricle
Pulmonary valve
Pulmonary arteries
Lungs
Pulmonary veins
Left atrium
Bicuspid valve
Left ventricle
Aortic valve
Aorta
The rest of the body
