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mafiozo [28]
2 years ago
12

There are numerous strategies you can implement to help you stay safe in your home and community. Similarly, you should have som

e strategies to help you stay safe while online. What are five online safety tips the recommended for teenagers,
Health
1 answer:
diamong [38]2 years ago
3 0
Don't give out personal information (name, phone number, passwords, etc), never meet up with anyone, don't download anything suspicious, don't open emails or attachments from strangers, and don't show your face.
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What is artificial contraceptive device​
Rom4ik [11]
Artificial methods in common use include preventing the sperm from reaching the ovum (using condoms, diaphragms, etc), inhibiting ovulation (using oral contraceptive pills), preventing implantation (using intrauterine devices), killing the sperm (using spermicides)
4 0
3 years ago
Why does the heart automatically adjust the flow of blood to match activity levels?
Fed [463]

Answer:

The reason is because the heart requires more oxygen when exercising. Several physiological events happen to increase the blood flow and therefore oxygen flow to that muscles,including the heart.

Also the volume of blood that the heart pumps out is maintained so that the body organs receive the necessary amount of oxygen and nutrition, because if it didn't adjust the flow of blood to match activity level, you will be insufficient. Either output method will be lower than needed.

8 0
2 years ago
Read 2 more answers
which nutrient makes up antibodies that protect us from disease, assists with building and repair of bone and skin, and helps to
Oksana_A [137]

Answer:

PROTEIN. Protein is an important building block in the body because it's responsible for supplying amino acids that are used to create and repair cells, tissues, hormones, enzymes, red blood cells, and antibodies. Proteins also maintain fluid balance and transport substances throughout the body.

7 0
3 years ago
PLEASE ANSWER ASAP<br> I WILL GIVE BRAINLIEST TO BEST ANSWER<br><br> PLZ EXPLAIN*****
eimsori [14]

Answer:

In an advertisement by Nurofen (British biggest painkiller company), a false claim was made that the painkiller can specifically diminish the pain for joints and backbone. However, the medicine had no specific mode of action to target these body parts specifically rather it was just a normal pain killer. For this reason, the court banned the company for a false and misleading statement. The link to the advertisement is:

https://www.easymedshealth.com/products/nurofen-joint-back-pain-relief-max-strength-10-gel-40g

The link of banning by court is:

https://www.telegraph.co.uk/news/2016/06/28/nurofen-advert-banned-for-misleading-claims-on-joint-and-back-pa/

3 0
3 years ago
What takes place when you inhale and exhale
Hatshy [7]
Breathing In (Inhalation)

When you breathe in, or inhale, your diaphragm contracts (tightens) and moves downward. This increases the space in your chest cavity, into which your lungs expand. The intercostal muscles between your ribs also help enlarge the chest cavity. They contract to pull your rib cage both upward and outward when you inhale.

As your lungs expand, air is sucked in through your nose or mouth. The air travels down your windpipe and into your lungs. After passing through your bronchial tubes, the air finally reaches and enters the alveoli (air sacs).

Through the very thin walls of the alveoli, oxygen from the air passes to the surrounding capillaries (blood vessels). A red blood cell protein called hemoglobin (HEE-muh-glow-bin) helps move oxygen from the air sacs to the blood.

At the same time, carbon dioxide moves from the capillaries into the air sacs. The gas has traveled in the bloodstream from the right side of the heart through the pulmonary artery.

Oxygen-rich blood from the lungs is carried through a network of capillaries to the pulmonary vein. This vein delivers the oxygen-rich blood to the left side of the heart. The left side of the heart pumps the blood to the rest of the body. There, the oxygen in the blood moves from blood vessels into surrounding tissues.

(For more information on blood flow, go to the Health Topics How the Heart Works article.)

Breathing Out (Exhalation)

When you breathe out, or exhale, your diaphragm relaxes and moves upward into the chest cavity. The intercostal muscles between the ribs also relax to reduce the space in the chest cavity.

As the space in the chest cavity gets smaller, air rich in carbon dioxide is forced out of your lungs and windpipe, and then out of your nose or mouth.

Breathing out requires no effort from your body unless you have a lung disease or are doing physical activity. When you're physically active, your abdominal muscles contract and push your diaphragm against your lungs even more than usual. This rapidly pushes air out of your lungs.

The animation below shows how the lungs work. Click the "start" button to play the animation. Written and spoken explanations are provided with each frame. Use the buttons in the lower right corner to pause, restart, or replay the animation, or use the scroll bar below the buttons to move through the frames.
8 0
3 years ago
Read 2 more answers
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