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WARRIOR [948]
3 years ago
11

In which way do the skeletal and nervous systems interact

Biology
1 answer:
snow_lady [41]3 years ago
7 0

Answer:

Bones provide calcium that is essential for the proper functioning of the nervous system. The skull protects the brain from injury. The vertebrae protect the spinal cord from injury. Sensory receptors in joints between bones send signals about body position to the brain.

Explanation:

thanks me later

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Match the following.
valkas [14]

Answer:

1 . The stage on the first meiotic division when the homologous chromosomes move to opposite poles but the sister chromatids remain together

: b. Anaphase I

2 . The stage in the second meiotic division where sister chromatids migrate to opposite poles

: c. Anaphase II

3 . A structure on the chromosome that holds a pair of chromatids together during replication

: f. centromere

4 . A double-stranded chromosome following replication attached by a centromere

: d. chromatid

5 . A condition where non-sister chromatid of homologous chromosomes exchange genes

: e. crossing over

6 . The stage in the first meiotic division where the homologous chromosomes line up as a pair

: a. Metaphase I

7 . The stage in the second meiotic division where the chromatid pair lines up at the equator of the cell: g. Metaphase II

Explanation:

DNA replication occurs during the S phase of the interphase of the cell cycle. The replicated DNA molecules are accommodated in two sister chromatids of a chromosome that are held together by a centromere.  

During prophase I, the chromatids of a homologous chromosome pair exchange a genetic segment. This process is called crossing over. It generates recombinant chromatids with new combinations of genes.

Metaphase I of meiosis I includes the alignment of homologous pairs of chromosomes at the cell's equator. This is followed by separation and movement of homologous chromosomes to the opposite poles of the cell during anaphase I.  

Metaphase II of meiosis II includes the alignment of individual chromosomes, each with two sister chromatids, on the cell's equator. During anaphase II, splitting centromere separates the sister chromatids which then move to the opposite poles of the cell.

3 0
3 years ago
Pls help me with all these questions pls i will heart u and give u brainliest ​
Lady_Fox [76]

Answer: right bottom is kidney

Left bottom is liver

Q. 4 part a, The excretory system.

B, kidney: The kidneys make urine by filtering wastes and extra water from blood. Urine travels from the kidneys through two thin tubes called ureters and fills the bladder.

And Q. 5 order, 3, 2, 1, 4.

Explanation:

6 0
3 years ago
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I NEED HELP WITH ALL PLZ PLZ
viva [34]
Water freezes at 0°C, the lowest possible temp for any material is absolute zero and also most of these u can just google good luck!
3 0
3 years ago
PLS HELP MEEEE!!!!!!!
Kobotan [32]
The last one is right
6 0
3 years ago
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A chemical reaction that removes electrons from an atom is call a blank reaction
Anna [14]

Answer:

answer is b: oxidation reaction

5 0
3 years ago
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