The blue areas in the image represent the body parts that transport deoxygenated blood throughout the body. what are they called "?

The answer is veins. Veins carry blood from tissues to the heart. The vena cava is the largest vein in the body that carries blood into the heart right auricle. Pulmonary vein  is the only vein that carries oxygenated blood because it carries blood from the lungs to the heart.

plant because they survive by water, sunlight, ex.

explanation:

when the displaced particles are perpendicular to the direction the wave travels, is called a transverse wave, whereas in longitudinal wave the displace practices are parallel to the direction of the wave.

in the given image:

first image shows - longitudinal wave

second image shows - transverse wave

third image shows - longitudinal wave

fourth image shows - longitudinal wave