The rows of Mendeleev's periodic table are called

Biology

2 answers:

qwelly [4]2 years ago

8 0

Answer:
periods i believe

Nimfa-mama [501]2 years ago

3 0

Mendeleev called the rows periods.

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The iron-containing protein found in red blood cells isO A) hemoglobin.O B) white blood cells,O C) platelets.O D) plasma.

Sonja [21]

I assume you are not familiar with this topic. I suggest you read more about this protein from online books or ur own book if you have.
White blood cell = its a cell just like the name suggests, in fact, more like its a family of cell types that are responsible for immunity and some other functions (it doesnt look like you need to know the details on other functions so just stick with immunity)
Platelets = these are not really cells, but you can say they are sorta like bits of cells, they contain important protein(s) for blood clotting and surely they themselves play important role in blood clotting which prevents us from bleeding to death when we get a cut for example.
Plasma = this is part of blood, excluding red blood cells and white blood cells, its basically fluid with nutrients, ions and most importantly blood proteins, such as carrier ones like Albumin.

The only one left is Hemoglobin,
heme is the iron part (which is not really iron alone but thats the only one u need to know)
and globin is the protein part
these two make up hemoglobin
so this complex resides inside red blood cells, which flow in our vessels to every part of our body supplying them with nutrients and oxygen taken from our capillary system of lungs.

6 0

2 years ago

Muscles can only contract and relax. How is it possible for you to move in so many different ways? How do muscles allow for loco

MrRa [10]

Explanation:

Muscles act on joints antagonistically. Some muscles will contract while other contract pulling on bones around joint hence enabling movement. An example is the elbow joint is moved by antagonistic action of biceps and triceps. When your biceps contract and triceps relax you are able to bend your arm at your elbow. When your triceps contract and biceps relax, your arms straighten.

Learn More:

Learn more about muscle action on joints;

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