About the breast The breast is made up of many tissues that range from highly fatty to very dense. A network of …
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About the kidneys Every person has two kidneys, one on each side of the spine above the waist. Each of these reddish-brown, …
Bone Cancer About bones There are 206 bones in the mature human skeletal system. Bones protect internal organs, enable humans to stand …
About the bladder, renal pelvis, and ureter The bladder is a hollow structure in the pelvis that holds pee before urination. The …
About The Lymphatic System The lymphatic system is made up of narrow tubes and clusters of tiny bean-shaped structures called lymph nodes …
