When the mixture of a food substance and Benedict's solution was warmed, the solution changed from blue to black-red. This indicates the presence of
reducing sugar
fatty acid
sucrose
amino acid
The primary structure responsible for pumping blood for circulation through the mammalian circulatory systems is the
veins
right auricle
arteries
left ventricle
Circulation of blood to all parts of the body except the lungs is through
the pulmonary artery
systemic circulation
the lymphatic system
pulmonary circulation
Yeast respires anaerobically to convert simple sugar to carbon (IV) oxide and
alcohol
acid
oxygen
water
The sheet of muscle that separates the thoracic and the abdominal cavities is the
diaphragm
intercostal muscle
pleural membrane
pericardium
