1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
VARVARA [1.3K]
3 years ago
9

Explain how the heart work?

Biology
1 answer:
Triss [41]3 years ago
3 0
You heart is a specialised muscle the pumps you blood around you body and your blood carries oxygen and nonrishment to all parts of your body and carries waste products to serevrial organs, notably your lungs and kidneys to eliminate. your heart is divded into two pumps witch works together  
You might be interested in
On the graph to the right, indicate which curve corresponds to each type of chlorophyll. Which curve corresponds to chlorophyll
vladimir1956 [14]

Answer:

First question - Green curve

Second question - Red curve

Explanation:

6 0
3 years ago
Read 2 more answers
Which of the following best describes these
Nikitich [7]

Answer:B

Explanation:

Because i know it

8 0
3 years ago
The various taxonomic levels (e.g. genera, classes, etc.) of the hierarchical classification system differ
Westkost [7]

Answer:

(c) their inclusiveness.

Explanation:

The taxonomic classification has eight levels, they go from the more inclusive to the more exclusive.

The eight categories are: <u>Domain</u> which  is the most inclusive level, that is to say, that the largest number of individuals are included in this level. There are  three domains according to the cells types, and where they live. They are the Eukarya, Bacteria and Archaea. Domains are divided into <u>kingdoms</u>, they are the Plantae, protista, Eubacteria, Archaebacteria,  Animalia and Fungi. After kingdoms the <u>Phylum</u> category comes, following Phylum is <u>Class</u>, various classes that are related will form a Phylum. The next category is <u>Order</u>, order is divided into <u>Family,</u> families are broken into <u>Genus</u>, where species are closely related between each other and finally the last category is <u>Especies identifier,</u> in this group there are unique characteristics that will identify a specie. With this classification we can see that we go from global groups  to more specifics ones as the classification avances.

8 0
3 years ago
In the angiosperm life cycle, two sperm cells are discharged in each ovule. The reason that two sperm nuclei travel down the pol
blondinia [14]

Answer:

One fertilizes the egg, and the other combines with the two polar nuclei.

Explanation:

5 0
2 years ago
Biology Question:
Gnesinka [82]
I wanna say it’s b but if not I’m so sorry !
6 0
3 years ago
Read 2 more answers
Other questions:
  • Food is moved in wavelike contrations called ________.
    13·1 answer
  • "how are mutations and polymorphisms similar and how are they different"
    11·1 answer
  • Which of these is another name for mechanical weathering?
    5·2 answers
  • If evolution is based upon there being genetic diversity between generations, how does the lack of genetic differences existing
    5·1 answer
  • Because of the scarcity of food in the deep-sea environment, many organisms rely on _________ as their principal source of food.
    6·2 answers
  • do decomposers belong on the energy pyramid? if not then why do the NOT belong on the energy pyramid?
    14·1 answer
  • Are enzymes used up after they do their job of helping build a molecule or helping breakdown a molecule...or are they used again
    13·1 answer
  • Please help with the answer
    7·1 answer
  • Pls help!!! I know it's probably easy lol
    6·1 answer
  • Are bears decomposers? explain.
    12·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!