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What is 1 + 3?
individual units, parts of your body are composed of
similar cells grouped together
collection of different tissues working together
groups of organs working together
(heart, blood, and blood vessels such as arteries, veins and capillaries) transports blood (containing all types of blood cells) throughout the body
includes lymph vessels, and nodes that carry a clear fluid called lymph. Lymph contains white blood cells called lymphocytes that fight against disease and play an important role in immunity
brings food into the body and breaks it down so that it can enter the bloodstream
composed of glands, sends chemical messages called hormones into the blood to act on other glands and organs
female&male reproductive system
produce the cells (egg&sperm) that join to form the embryo. Male (testis)&female (ovary) sex organs produce hormones as well
including muscles, bones, joints, and connective tissue, supports the body and allows it to move
carries electrical message to and from the brain and spinal cord
controls breathing, a process by which air enters and leaves the body
skin and sense organ systems
including the skin and eyes tears, receives messages from the environment and sends them to the brain
produces urine and sends it out of the body through the kidneys ureters, bladder and urethra