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1. The system that acts as a barrier from the outside environment is called
2. The
absorbs light energy which protects inner cells from damaging
effect of ultraviolet rays from the sun.
3. The outer layer of the skin is the
It protects our body from harmful
things like bacteria and harmful rays of the sun.
4. The
is the second layer of the skin. It contains fibers that give skin its
strength and elasticity.
5. The structure in the nerve cell that receive information from the outside environment
is called
6. Skin responds to exposure to ultraviolet rays from the sun by producing
7. In order to regulate body temperature, the person produces
8. The dermis consists of
tissues that prevent the skin from tearing and
enables the skin to return to its normal state after being stretched.
9. The
is the main organ of the integumentary system.
10. The epidermis is consist of
tissues that covers the body surface.
Vote: Practice Personal Hyqiene protocols at all time.​


Sagot :

Answer:

1.The integumentary system consists of the skin, hair, nails, glands, and nerves.

2.Instead of becoming very reactive when hit by UV light, melanin releases the extra energy as heat; it reacts less than 1 out of every 1000 times it becomes excited.

3.epidermis

4.dermis

5.Dendrites are specialized extensions of the cell body. They function to obtain information from other cells and carry that information to the cell body. Many neurons also have an axon, which carries information from the soma to other cells, but many small cells do not.

Neutron Structure

6.Tanning is the skin's response to UV light. When UV rays reach the skin, the skin makes more melanin. Melanin is the color (pigment) that causes tanning. Tanning does not prevent skin cancer.

7.Our internal body temperature is regulated by a part of our brain called the hypothalamus. The hypothalamus checks our current temperature and compares it with the normal temperature of about 37°C. If our temperature is too low, the hypothalamus makes sure that the body generates and maintains heat.

8.the dermis connects the epidermis to the hypodermis, and provides strength and elasticity due to the presence of collagen and elastin fibers. It has only two layers: the papillary layer with papillae that extend into the epidermis and the lower, reticular layer composed of loose connective tissue.

9.skin.The skin is the major organ in the integumentary system.

10.The skin consists of three layers of tissue: the epidermis, an outermost layer that contains the primary protective structure, the stratum corneum; the dermis, a fibrous layer that supports and strengthens the epidermis; and the subcutis, a subcutaneous layer of fat beneath the dermis that supplies nutrients

Explanation:

1.The integumentary system consists of the skin, hair, nails, glands, and nerves. Its main function is to act as a barrier to protect the body from the outside world. It also functions to retain body fluids, protect against disease, eliminate waste products, and regulate body temperature.

2.Instead of becoming very reactive when hit by UV light, melanin releases the extra energy as heat; it reacts less than 1 out of every 1000 times it becomes excited. This allows melanin to protect more sensitive molecules, like DNA, from UV exposure.

3.The epidermis is the thin outer layer of the skin. It consists of 3 types of cells: Squamous cells. The outermost layer is continuously shed is called the stratum corneum.

4.The dermis connects the epidermis to the hypodermis, and provides strength and elasticity due to the presence of collagen and elastin fibers. It has only two layers: the papillary layer with papillae that extend into the epidermis and the lower, reticular layer composed of loose connective tissue.