The branches of trachea that connect to the lungs is ....

The air sacs where the exchange of oxygen and carbon dioxide takes place is called ....

The type of muscles that work in abdominal respiratory system is ....

The animal that breathe using the air sacs to help them take in the air while flying is ....

Infection of the lungs caused by viruses, bacteria, or fungi that make the alveoli fill up with fluid is ….

The name of this organ is ....

The part of heart that receives deoxygenated blood from the body is ....

Part of the heart that pumps the blood to the lungs through the pulmonary arteries represented by number ....

The condition in which blood lacks enough of healthy red blood cells or hemoglobin is ….

The component of blood that contains fibrinogen, which covers the wound and help the blood clotting process is ....

Kidneys, ureters, bladder and urethra are organs of ... systems.

A muscular bag that holds urine until it is passes out of the body is ....

A muscular tube that moves food from the mouth to the stomach is ....

The type of digestive juice (produce in stomach) that breaks down protein into peptone is ....

The organ where the digested food absorbed through its wall into blood is called ....