The correct answer is the organ.
The multicellular species are formed of various parts, which are required for survival. These parts are differentiated into the levels of the organization. There are five different levels, which are named as cells, tissue, organs, organ systems, and organisms.
When two or more layers of tissue function together, they produce an organ. All the animals comprise vital organs, without which they cannot survive. These include the kidneys, liver, lungs, brain, and heart.
If a person blood sugar is 120 mg/mL that person already have diabetes mellitus. Diabetes mellitus is a medical condition in which the level of glucose in the blood is very high because the glucose were not able to enter the body cells. The condition is usually cause by absence or inadequate level of insulin in the body.
Highly unlikely both parents have to be colorblind
the temperature will start to rise and it is probably becoming sunny
the fact or phenomenon of light, radio waves, etc. being deflected in passing obliquely through the interface between one medium and another or through a medium of varying density.