EVERYDAY SCIENCE

Detailed explanation-1: -The soft internal organs of the body, including the lungs, the heart, and the organs of the digestive, excretory, and reproductive systems.

Detailed explanation-2: -There are 4 basic types of tissue: connective tissue, epithelial tissue, muscle tissue, and nervous tissue.

Detailed explanation-3: -Using the circulatory system as an example, a cell in this system is a red blood cell, the heart’s cardiac muscle is a tissue, an organ is the heart itself, and the organ system is the circulatory system. An organism is made up of four levels of organization: cells, tissues, organs, and organ systems.

Detailed explanation-4: -The five vital organs in the human body are the brain, the heart, the lungs, the kidneys, and the liver. Other organs include the gallbladder, the pancreas, and the stomach.