Thank you for reporting, we will resolve it shortly
Q.
Figure shows blood circulation in humans with labels A to D. Select the option which gives correct identification of label and functions of the part :-
A- Artery : Carries blood from heart to different body parts. It is thick-walled and elastic. It acts as a “pressure reservoir” for maintaining the blood flow.
B - Capillary : Nutrients, hormones, gases etc. can diffuse into tissue cells through capillaries and vice versa. It is thin-walled, and only one layer thick resting on basement membrane.
C - Vein : Brings blood from different body parts to the heart. It is thin-walled and act as low-resistance conduct for blood flow.
D - Pulmonary vein : Two pulmonary veins from each lung transport the oxygenated blood to the left atrium.
