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stiv31 [10]
4 years ago
13

What do humans need for respiration

Biology
1 answer:
trapecia [35]4 years ago
5 0

Answer:

During normal human respiration, glucose (a type of sugar that you get from food) reacts with oxygen to produce energy. The energy is needed for growth, repair and movement. Water and carbon dioxide are bi-products of respiration. they need to be excreted.

Explanation:

hope this helps and btw look on google first before u come on here it alot quicker and easier

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Quade is studying for an exam, which will cover neurons and action potentials. He has drawn a diagram that shows the segments of
VMariaS [17]

Answer: positive sodium ions

Explanation:

This relates to the Action Potential which is what a nerve cell goes through when it needs to send information down the nerve cell to another cell and so on till it gets to the destination of the message.

The information is transmitted when the segments of the axon fire and when they do, positive sodium ions come in from outside the cell to the inside thereby making the inside positive. The previous segment would return to a resting potential when potassium ions which are negative, rush into the cell.

3 0
3 years ago
In seed plants the sperm make it to the egg via A. pollen tubes. B. wind. C. water. D. tiny wings.
Irina-Kira [14]
The sperm (male nucleus) goes through the pollen tube via micropyle
to fuse with the female nucleus. can I please get brainliest also I need it to advance
5 0
4 years ago
Read 2 more answers
Why can you catch a cold or flu more than once
Rufina [12.5K]

The flu and the cold are diseases that usually present in mild symptoms, but to be able to say why we can catch them more than once, we need to know that.....

<h3>Flu</h3><h3> </h3>

Influenza, is a viral infection of the respiratory system. It is caused by the Influenza virus, which can be type A or B. It is mainly characterized by a picture of symptoms that leaves the person feeling very down and tired, causing a lot of discomfort.

<h3>Cold</h3>

Cold is and how it differs from the flu. To begin with, it is worth noting that it is also a viral respiratory infection. The difference between a cold and the flu is that it can be caused by other types of viruses, such as the more frequent Rhinovirus and Parainfluenza.

<h3>Can I have the flu or a cold more than once?</h3>

The good news is: no, you can't. The bad news is, there are a lot of viruses and germs flying around this time of year, and instead of catching the same one, you have a high chance of catching another.  

The body's immune system recognizes and fights off germs, such as viruses that have invaded your blood, the viruses that cause the flu can change each year, so even if you've had the flu recently, it's recommended that you get a vaccine that matches the new viruses that may be circulating each year.  Because the flu is caused by several viruses, the immunity you naturally develop after infection will only protect you against that type, so you can catch it from another one as well.

With this information, we can conclude that, we can have flu and cold more than once, because we will be in contact with many viruses that cause the flu and the cold.

Learn more about Virus in brainly.com/question/1427968?referrer=searchResults

8 0
2 years ago
What is the sac that holds the testes and helps regulate their temperature?
katen-ka-za [31]
The testes lie between the thighs, in a pair of pouch-like sacs called scrotums or scrotal sacs. The scrotums are outside the main body cavity and thus are at a slightly lower temperature than body temperature.The lower temperature is essential for the sperms to develop properly.
4 0
3 years ago
which of the following states that heritable factors (genes) retain their identity generation after generation?
Mandarinka [93]

Answer:

particulate hypothesis of inheritance

Explanation:

This states that the inheritable factors retain their identity generation after generation.

7 0
3 years ago
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