Question

3) Which of these carryfies) oxygen-poor blood? A) pulmonary arteries B) pulmonary veins C) aorta D) left ventricle 4) If you looked closely at blood plasma, you might find A) white blood cells B) red blood cells C) hormones D) platelets 5) As a consequence of red blood cells' lack of nuclei and other organelles, they A) have more room to carry hemoglobin B) have a small surface area C) contain less hemoglobin than they might otherwise be able to carry D) can carry more calcium

Answer 1

DATE ans. 3 Pulmonary arteries . Pulmonary arteries cassies oxygen -poor blood to the lung to recieve oxygen after it gets pure with onygen, the pulmonary veins drain this blood into the left atrium. Ans.4) Hormones. Plasma is a yellowish liquid component of blood which contains hormones, electrolyles , CO2 & O2 Ans. 5 have more room to carry hemoglobin The absence of a nucleus is an adaptation of the red blood cells do not poses nucleus along with other cell Organelles in order to accomodate greates amount of Hb in the cells.