NEET BIOLOGY

Detailed explanation-1: -The circulatory system, which is part of the “cardiovascular” system, is one of the eleven organ systems of the human body. Its main function is to transport nutrients to cells and wastes from cells (Figure 3.4.

Detailed explanation-2: -Water carries other nutrients to all parts of the body, it carries waste out of the body and it helps to regulate body temperature.

Detailed explanation-3: -Blood vessels are like networks of roads where deliveries and waste removal take place. Oxygen, nutrients and hormones are delivered around the body in the blood and carbon dioxide and other waste products are removed. The heart is constantly pumping blood so it is always moving around the body.

Detailed explanation-4: -Cartilage is a smooth, slippery substance that covers the ends of the bones in your joints. Healthy cartilage helps the joints move smoothly.

Detailed explanation-5: -Water carries important nutrients throughout the body, removes waste from the body, and maintains body temperature. It acts as a lubricant around joints, and as a shock absorber for the body’s organs, helping our young and able bodies stay active and healthy.