LIFE SCIENCE

Detailed explanation-1: -Organs are grouped into organ systems, in which they work together to carry out a particular function for the organism. For example, the heart and the blood vessels make up the cardiovascular system.

Detailed explanation-2: -Organ-a group of tissues precisely arranged so that they can work together to perform specific functions.

Detailed explanation-3: -An organ is a structure that consists of two or more types of tissues that work together to do the same job. Examples of human organs include the heart, brain, lungs, skin, and kidneys. Human organs are organized into organ systems; the digestive system is shown in figure Figure 4.2.

Detailed explanation-4: -A group of tissues working together to perform a specific function is called an organ. Organs are the third level of organization. Examples of organs include the skin, heart, eye, stomach, and lungs.