Answer:
Both the respiratory and circulatory systems works in coordination in order to purify the blood.The heart continuously pumps blood and the lungs at alveolar sacs the CO2 and O2 get exchanged.Continuously through the diffusion.
From body parts the blood reaches at heart through Vena cava To right atrium,then from Right ventricle through pulmonary artery it reaches to lungs and get purified.Form there it again comes back to heart through pulmonary vein and again through Aorta it again reaches to the body parts.
Hope it helps....
Antibodies are produced by specialized white blood cell called B lymphocytes or B cells when an antigen binds to the B cell surface it stimulate the B cell to divid
Answer:
a. Stage II
Explanation:
Stage 0 includes tumors only in top layers of skin.
Stage I includes tumors grown below skin of penis but not into the deeper layers.
<u>Stage II penile cancer includes the tumors which have grown deep into tissues of penis or urethra. This is the stage where the tumor has reached the shaft of the penis.</u>
Stage III penile cancer reached nearby lymph nodes in groin.
Stage IV penile cancer includes groups of more advanced cancers.
