It delivers nutrients and oxygen to all cells in the body. It consists of the heart and the blood vessels running through the entire body. The arteries carry blood away from the heart; the veins carry it back to the heart.It is important because it carry's blood through the body from the heart than all across the body.
It is a system that controls how you breath by inhaling and exhale.It is important because without it you would not be able to breath.
The organs and glands in the body that are responsible for digestion. The digestive system begins with the mouth and extends through the esophagus, stomach, small intestine, and large intestine, ending with the rectum and anus.It is important because it controls were all your food goes.
It is the organ system that protects the body from various kinds of damage, such as loss of water or abrasion from outside. The system comprises the skin and its appendages (including hair, scales, feathers, hooves, and nails).It is important because it helps you to keep from getting a bunch of viruses.
It is the system of an organism's body that performs the function of excretion, the bodily process of discharging wastes. The Excretory system is responsible for the elimination of wastes produced by homeostasis.It is important because it is in charge of were your waste goes so you don't have waste floating around just any where in your body.
The nervous system is a complex collection of nerves and specialized cells known as neurons that transmit signals between different parts of the body. It is essentially the body’s electrical wiring.It is important because it tells you body parts what to do so it transports messages from your brain to your body parts.
It is also known as the renal system, consists of the two kidneys, ureters, the bladder, and the urethra. Each kidney consists of millions of functional units called nephrons.It is important because it controls were your pee goes it holds the waste.
It is the framework of the body, consisting of bones and other connective tissues, which protects and supports the body tissues and internal organs.It is important because it keeps your body shape the way it is.
It is an organ system consisting of skeletal, smooth and cardiac system. It permits movement of the body, maintains posture, and circulates blood throughout the body.It is important because it controls the movement of the body so if you did not have it your body would just move un-controllable.
It is the collection of glands that produce hormones that regulate metabolism, growth and development, tissue function, sexual function, reproduction, sleep, and mood, among other things.It is important because it controls your mood your sleep and other important stuff.
It is a system of biological structures and processes within an organism that protects against disease. To function properly, an immune system must detect a wide variety of agents, known as pathogens, from viruses to parasitic worms, and distinguish them from the organism's own healthy tissue.It is important because it controls a bunch of important stuff in your body.
I know that my body would not work if there was not each one of the systems.Each one of these systems does something that helps your body.For example the muscular system helps you control your moving.If you did not have your nervous system then you would be able to control your body movement and a bunch of other parts of your body.Because the nervous system is connected to your brain and it runs signals out each part of your body what to do.So the nervous system is basically like the messenger of the body and if you did not have that none of your body systems would work good.