Human Body

Details

The artificial kidney is a machine.

The actual skin color of different humans is affected by many substances, although the single most important substance is the pigment melanin. Melanin is produced within the skin in cells called melanocytes and it is the main determinant of the skin color of darker-skin humans.

Body organs aren't all internal like the brain or the heart. There's one we wear on the outside. Skin is our largest organ—adults carry some 8 pounds (3.6 kilograms) and 22 square feet (2 square meters) of it.

Dermatology is the branch of science which deals with the study of skin.

Blood group O has no antigens, but both anti-A and anti-B antibodies in the plasma, as well as some special “anti-A,B' antibodies. Blood group AB has both A and B antigens, but no antibodies.

Lacrymal glands are situated in the buccal cavity.

Subcutaneous fat layer acts as an insulator against heat, cold and as a shock-absorber in the body.

A adipose tissue is formed beneath the skin and between internal organs.

They protect you against illness and disease. Think of white blood cells as your immunity cells. In a sense, they are always at war. They flow through your bloodstream to fight viruses, bacteria, and other foreign invaders that threaten your health.

Most people know that a major function of the kidneys is to remove waste products and excess fluid from the body. These waste products and excess fluid are removed through the urine. The production of urine involves highly complex steps of excretion and re-absorption.

The abdominal cavity is lined with a protective membrane termed the peritoneum. The inside wall is covered by the parietal peritoneum. The kidneys are located behind the peritoneum, in the retroperitoneum, outside the abdominal cavity.

The blood enters the Bowman's capsule into the glomerulus through the afferent arterioles of the renal circulation. This is the vessel that brings blood into the Bowman's capsule. The filtered blood leaves the glomerulus through the efferent arteriole.

The renal corpuscle is made up of Bowman's capsule and Glomerulus.

Ciliary muscles help in changing the focal length of the eye lens.

Prostate gland is about the size of a walnut, and surrounds the neck of the bladder and urethra—the tube that carries urine from the bladder.