Which structures allow oxygen to move from the lungs into the bloodstream? bronchi veins alveoli arteries

What statements describe a host organism?

Glucose is a form of sugar found in the blood cells use glucose as a source of energy, but too much or too little can cause serious health issues so, the body uses the hormone insulin to regulate glucose n the blood insulin maintain glucose levels in the blood if blood glucose lovels got very high, what would you expect to see happen to insulin levels?

Which situation is an example of not doing work? lifting a couch throwing a baseball running up stairs carrying a box