Why do humans have to be multicellular and not single cellular???

Answers

Answer 1

Answer: humans have too many body functions to be unicellular

Answer 2

Answer: Multicellular organisms are those which are made up of many cells. Humans are multicellular. Multicellular organisms can be much larger and more complex. This is because the cells of the organism have specialised into many different types of cells such as nerve cells, blood cells, muscle cells all performing different functions.

Hope this helps.

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How do I sprain my wrist easily without falling?You may say I'm crazy but my wrist is supper weak/tired and hurts and swells doctors say nothing wrong but I need to sprain it so it can completely heal from whatever happened to it before
Thanks

Answers

You can sprain your wrist from writing for typing too much at the wrong angle.

It could be the way you sleep because it could be in a wierd position during the night

***34 POINTS***My sister wanted to swim for more than 10 days now but, she is still on her period. Is there a way for to swim while she is still on her period?

Answers

Yes, she can always use a tampon if she really wants to swim.

I mean, she can always use a tampon.. Btw I don't think this question is appropriate for Brainly. You should only ask school work related questions. Try Yahoo answers or something.

It is difficult to go from ______________ self-esteem to positive self-esteem overnight.

Answers

It is difficult to go from negative self-esteem to positive self-esteem overnight.

It is indeed hard for many people to go from a negative self-esteem to positive self-esteem overnight. Getting positive self-esteem takes some time to realize that they are perfect just the way they are. It takes time for someone to find who they are, it doesn't always come out of no where. Even lessons can help find someone get positive self-esteem.

Which would be the best strategy for overcoming tobacco addiction

Answers

get different hobbies and start maybe going to the gym

The best strategy for overcoming tobacco addiction is to exercise, self control and just don't smoke. Eventually the urge to smoke will fade. If your self control isn't that good, you can use some other, less harmful form of nicotine (patches, chewing gum, or e-cigarettes), but if you do you will still be a nicotine addict even if you are no longer a tobacco addict.

Your friend isn't convinced her workouts should include bone strengthening exercises, and she questions spending time and energy on them. What should you tell her? Now is the perfect time because peak bone mass happens at our age. Activity will protect against bone density loss but not osteoporosis. As much as you strengthen now, it will hardly affect you later. Teen bone mass development is minimal so waiting is smart.

Answers

Activity will protect against bone density loss but not osteoporosis.

a dialysis machine can be used to remove waste from a patient's blood. which human body system works in a similar way ?

Answers

The dialysis machine blends and screens the dialysate. Dialysate is the liquid that expels the undesirable waste items from your blood. It likewise gets your electrolytes and minerals to their appropriate levels in your body. The machine monitors the movement of the blood while it is outside of your body. So that means the correct answer is (2) excretory.

The kidneys of human body are main component of the excretory system and removes waste. When kidneys are not capable of funtioning normally, a dialysis machine is used for removing unwanted substances from the blood. It maintains the levels of required ion, minerals and electrolyets in the blood.

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