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Integumentary System
The Integumentary System
| Question | Answer |
|---|---|
| The integumentary system is composed of the skin and a number of derivatives such as hair, nails, and _____. | glands |
| The largest organ of the body is the _____. | skin |
| The skin protects the body from fluid loss or gain and serves as a barrier to _____. | microorganisms |
| The pigment formed in the skin is called _____. | melanin |
| Skin pigments protect the body against radiation from sunlight called _____. | ultraviolet rays |
| Heat is lost at the body surface in sweat during the process of _____. | evaporation |
| The skin conserves heat by reducing its secretions of sweat and by constricting its _____. | blood vessels |
| Glands in the skin release water and fatty substances in the process of _____. | excretion |
| Environmental stimuli are received by specialized skin _____. | sensory receptors |
| The skin detects sensations such as pressure, touch, temperature, and _____. | pain |
| The dermis is the inner, thicker layer of the skin, while the epidermis is the outer _____. | thinner layer |
| The two major structures of the hair fiber are the shaft and the _____. | root |
| The nail is a protective plate consisting of the protein _____. | keratin |
| At its proximal end, the nail is covered partially by a piece of tissue called the _____. | cuticle |