bio questions

Question 1

give the pathway a RBC takes when travelling in human circulatory system from kidney to lungs

Answer 1

through renal vein
to vena cava into right atrium
right ventricle to PA

Question 2

tissue fluid id formed from blood at arteriole end of capillary bed

explain how water from tissue fluid is returned to circulatory system

Answer 2

plasma proteins remain
creates water potential gradient
water returns through lymphatic system