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2 years ago

How many cells are there in the human body and how many microorganisms are there in a human body?

Biology

2 answers:

scoray [572]2 years ago

7 0

Answer:

The amount of cells in the human body is almost impossible to count, but it is estimated there is about 300 trillion cells in the human body.

Explanation:

nydimaria [60]2 years ago

5 0

As of 2014, it was often reported in popular media and in the scientific literature that there are about 10<span> times as many microbial cells in the human body than there are human cells; this figure was based on estimates that the human microbiome includes around </span>100 trillion<span> bacterial cells and an adult human</span>

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Select the true statementabout unmyelinated axons:A. action potentials occur everywhere along the length of the axon, and propag

butalik [34]

Answer:

The correct statement is - option B.

Explanation:

Unmyelinated axons are the axon that lacks the covering of scwann cells that form the myelin sheath which helps in the transfer or transmit the signals faster and more effectively in neurons. It acts as the insulating layer.

In absence of the myelin sheath, the action potential found everywhere along the length of the axon which leads to slow propagation than in myelinated axons.

Thus, the correct answer is - option B.

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3 years ago

The process of __________ is when two atoms combine to form a large atom releasing energy

kaheart [24]

Answer:

Nuclear fusion

Explanation:

4 0

2 years ago

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Which best describes Darwin's studies that led to the theory of evolution?

const2013 [10]

Do you have a picture of the question?

If not the Darwinism is a theory of Biloxi all evolution developed by the English naturalist Charles Darwin and others stating that all species of organism arise and develop through the natural selection of small, inherited variations that increase the individual’s ability to compete, survive and reproduce

6 0

3 years ago

Read 2 more answers

What causes evolution?

Semenov [28]

Answer:

Evolution reflects the adaptations of organisms to their changing environments and can result in altered genes, novel traits, and new species. Evolutionary processes depend on both changes in genetic variability and changes in allele frequencies over time.

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2 years ago

What are the functions and vessels of the heart, and what are some cardiac disorders that might be life-threatening to a person

zavuch27 [327]

Answer:

The cardiovascular, or circulatory, the system supplies the body with blood. It consists of the heart, arteries, veins, and capillaries. but the things that might be life-threatening to a person or animal are;

Explanation: angina is a type of chest pain that occurs due to decreased blood flow into the heart this can harm animals and people. there is also - - - arrhythmia,which is or an irregular heartbeat or heart rhythm,

- congenital heart disease, in which a problem with heart function or structure is present from birth.

-coronary artery disease, which affects the arteries that feed the heart muscle.

- Heart attack, or a sudden blockage to the heart’s blood flow and oxygen supply this can kill. heart failure, wherein the heart cannot contract or relax normally,

- dilated cardiomyopathy, a type of heart failure, in which the heart gets larger and cannot pump blood efficiently and the last one is

- hypertrophic cardiomyopathy, in which the heart muscle walls thicken and problems with the relaxation of the muscle, blood flow, and electrical instability develop

these are only a few that can harm or even kill a living thing like and animal or person these things are really harmful.

I hope this helps you!!

5 0

1 year ago