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ira [324]
3 years ago
10

How do your arm muscles work to lift a mug of coffee to your lips?

Health
1 answer:
harina [27]3 years ago
3 0
The process of lifting anything, including a coffee cup, involves the nervous system to send a signal from your brain to the muscles in your arm which then uses your sensory system to determine how far to lift. 
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In the first paragraph, evaluate how preventing and managing stress and getting help for mental and social problems can help a p
lesya692 [45]

Stress has a variety of different, varyingly strong effects on us, both physically and mentally.

How do you deal with stress?

Stress can be reduced by employing time management techniques such as goal planning, scheduling, and pace. Along with regular exercise, a nutritious diet, regular sleep patterns, and mindfulness exercises should help them maintain their physical and mental health.

It is a natural reaction to adversity in life, such as work, family, relationships, and financial problems. To reduce stress, try muscle relaxation, meditation, prayer, exercises,  yoga, or swimming. Spend time in nature or listen to soft music.

Short and long-term goals can thus be achieved by avoiding stress using the methods outlined above.

Learn more about managing stress from the given link.

brainly.com/question/28870241

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7 0
1 year ago
MARKING POEPLE AS BRAINLIST
Kruka [31]

Answer: B

Explanation:

4 0
3 years ago
Read 2 more answers
Which statement about depression is true
skelet666 [1.2K]
<span>B)Depression and suicide are connected</span>
7 0
3 years ago
Read 2 more answers
"Research shows that memories are to some extent rebuilt each time they are remembered, and can be altered by environment or cir
Oksi-84 [34.3K]

Options: True or false

Answer: True

Explanation: Memory is one of the characteristics of the brain through which data and information are receiving,stored,processed and retrieved when needed. The memory of humans have been likened to the Computer memory as both work almost in the same pattern and order.

Memories can be rebuilt especially when their is a correction to the initial stored memory, Environmental factors also alter and affect memory in different ways.

7 0
3 years ago
. How do the UV rays cause damage? What exactly causes the skin to burn; can you please be more specific about this mechanism? 
grigory [225]

1. How do the UV rays cause damage?

UV rays cause a dimerization of the pyrimidines at the level of the genome (DNA).

The aromatic rings of the bases constituting the DNA molecule absorb the energy of photons associated with a wavelength of between 230 and 290 nm, ie in the UVC domain and, to a lesser extent, that of UVB. The energy absorbed at two adjacent pyrimidines (cytosine (C) or thymine (T)) provides the energy necessary for the formation of a covalent bond between these two bases, to the detriment of the hydrogen bonds established between two complementary bases and ensuring the cohesion of the double helix of DNA.

What exactly causes the skin to burn ?

The burns are due to the too intense absorption of the sun rays.

The skin is of course the first target of UV radiation. The epidermis attenuates the transmission of radiation of wavelength <300 nm, but allows the less energetic radiation to pass. UVB is therefore absorbed mainly in the epidermis and superficial dermis while UVA penetrates much deeper into the skin. They are responsible for sunburn, but also cause a warming of the skin and tanning.

Mechanism of photosensitive medications

- Photosensitization consists of a cutaneous reaction occurring during exposure to light.

- The mechanisms of photosensitization reactions differ in:

-> Phototoxic reaction, non-immunological, occurring in principle in all individuals, under two conditions:

* presence in the skin, in sufficient quantity, of a substance endowed with a phototoxic potential;

* light exposure of the skin by an effective wavelength at sufficient dose.

-> Photoallergic, immunological reaction, which is a cell-mediated delayed Type IV hypersensitivity reaction. It occurs only in predisposed subjects and does not take into account either the concentration of the molecule or the radiation dose.

-> Sometimes the origin of photosensitization is idiopathic; the photosensitizing agent is not known; this is the case of lucites.

Examples of photosensitive medications:

Here are the main families of photosensitizing drugs, sorted by order of frequency of photosensitization reactions.

* Antibiotics of the quinolone class

* Medicines containing amiodarone

* Diuretics containing sulfonamides

* Antidepressants and neuroleptics: ...

* Cholesterol treatments

* Anti-inflammatories containing ketoprofen, especially in the form of cream.

5 0
3 years ago
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