Answer:
A-Antibodies protect us from getting the exact same virus twice
Explanation:
Answer:
thats weird contact your teacher if you have anymore issues:)
Explanation:
bye friend
Answer:
Go to a sex clinic and ask if this is a personal enquiry or listen in your pshe lessons if you have them
Explanation:
Answer:
Circulatory system remove waste from the cell and provide clean blood to the cell.
Explanation:
During cellular respiration, lungs inhale oxygen which stored in the alveoli. The red blood cells contains hemoglobin that carries deoxygenated blood containing carbondioxide from the cell in the veins to the heart and unload this carbondioxide gas in the alveoli of the lungs and load oxygenated blood having oxygen from the alveoli through capillaries in order to provide oxygen to the cells that is necessary for the survival of humans. Platelets are the type of cells that helps in blood clotting whereas white blood cells provides immunity against pathogens.
