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Citrus2011 [14]
3 years ago
15

Name two facts about the Sun-Earth-Moon

Biology
1 answer:
Oxana [17]3 years ago
5 0

Answer:

The Sun accounts for 99.86% of the mass in the solar system, Moon is Earth's only permanent natural satellite, Earth's rotation is gradually slowing.  

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If we penetrate a plant and an animal cell, which one of them would lose its shape?
REY [17]

Answer:

plant cell would lose its shape

5 0
3 years ago
Different between the basic structural and functional units of the Kidney and the lungs Based on the following points:- A)Name ,
kaheart [24]

The functional unit of the kidney is nephron. Kidney comprises two kinds of nephrons, each situated in distinct sections of the renal cortex, that is, juxtamedullary nephrons and cortical nephrons. A nephron constitutes of a renal tubule, renal corpuscle, and the associated network of capillaries. The nephron is accountable for eradicating waste from the body.  

The functional unit of lungs is alveoli. They resemble a cluster of grapes, they are thin and possess moist walls. They are a single layer of cells enveloped by a layer of capillaries. The main function of the lungs is respiration. The alveoli help one to breathe, by conducting the process of gas exchange.  


5 0
4 years ago
Each heart muscle cell is coupled to its neighbors electrically by tiny holes called:
Paladinen [302]
The answer is <span>Gap Junction

Gap junction is a small gap between the cells that used to transmit signall to the cells. This gap will allow the heart muscle to be activated in unison. Coordinated contractions are important for heart muscle because it creates the force that needed to pump the blood.</span>
3 0
4 years ago
During mitosis, the centromere is a region in which Group of answer choices
Butoxors [25]

Answer:

Option 3, Chromatids remain attached to one another until anaphase

Explanation:

Centromere lies at the center, end or other points of the chromosome and joins the two sister chromatids. During cell division, the spindle fibers attaches at the centromere and detaches the chromosomes during the anaphase of the cell division to ensure that each daughter cell gets equal number of chromosomes at the end of mitosis. Centromere plays an essential role in the separation of chromosomes.

Hence, option 3 is correct

4 0
3 years ago
At what age do the body's systems typically begin to decline
BlackZzzverrR [31]

Answer;

-41 years

Explanation;

-All vital organs begin to lose some function as one age during adulthood. Aging changes occur in all of the body's cells, tissues, and organs, and these changes affect the functioning of all body systems.

-Aging changes occur in all of the body's cells, tissues, and organs, and these changes affect the functioning of all body systems. All vital organs begin to lose some function as you age during adulthood.

5 0
4 years ago
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