The blood vessels dilate to increase the "blood traffic" through the lungs to carry more oxygen to the muscle. The lungs work harder (faster respiratory rate) to increase the rate of oxygen/carbon dioxide exchange in the lungs.
Answer:
Una fractura es una ruptura, generalmente en un hueso. Si el hueso roto rompe la piel, se denomina fractura abierta o compuesta. Las fracturas en general ocurren debido a accidentes automovilísticos, caídas o lesiones deportivas
Explanation:
There’s a difference between depression and sadness.
Sadness is usually define as a short lived moment of a sad feeling, or a “down” mood.
Sadness sometimes turns into depression when this period hits 6 months or more. But it’s sometimes not the case
Here’s some symptoms that usually tie into depression:
•feeling “down”
•mood swings
•feelings and thoughts of useless or self doubt
•failing grades
•wanting to be alone
But, if you are having these feelings, it’s important to seek treatment. Remember: depression has to be diagnosed. Also, if you have feelings of hurting yourself or others, please contact 1-800-273-8255. They also have an online chat too.
If you suspect that you might be depressed, please seek treatment. Treatment can work and people care about you.
Answer: The correct option is D (Sensory hair cells)
Explanation:
The ear is one of the sense organs recognised in humans which helps in hearing and for balance maintenance. There are different parts of the ear which includes:
--> the outer ear,
--> the middle ear and
--> the inner ear.
The semicircular canals are made up of three interconnected tubes which are located in the inner part of the ear. It consists of sensory hair cells which vibrates in response to sound.
Sensory hair cells serves as receptors of both auditory and vestibular systems, therefore are necessary for hearing and balancing. These cells can become damaged due to loud noises and sometimes will die resulting in hearing loss.
Could be true since the sperm is released outside so no fertilisation will take place.
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