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3 years ago

What is the spreading of tumor cells to distant parts of the body via blood and lymph referred to as?

2 answers:

4 0

The correct answer is (c) metastasis.Metastasis is the spreading of tumor cells to distant parts of the body (from one organ to another, that is not even directly connected with it) via blood and lymph. When the doctor says that the cancer is metastatic, it means the cancer cells are spreading and can be dangerous.

Andreas93 [3]3 years ago

4 0

The spreading of tumor cells to distant parts of the body via blood and lymph is referred to as B. metastasis. Metastatic cancer is a form of cancer that began in one part of the body and spread to a different part. Most types of cancers can form metastatic tumors.

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How does insulation keep building cool in the summer?

exis [7]

Answer:

It slows down the entry of heat through the walls and ceiling.

Explanation:

Insulation is a poor conductor of heat.

Thus, it takes a long time for the heat of the sun's rays to penetrate to the inside of the building.

If the building was cool to start with, insulation will help it stay cool longer.

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3 years ago

Which of the following statements about extinction is true? Choose one: A. Recent species are disappearing so slowly that resear

JulsSmile [24]

Answer:

C. At least five mass-extinction events have occurred during the last 500 million years.

Explanation:

The history of mass extinct is related to the five mass extinctions that are caused over by the 350 million years n which many species have disappeared in there short geologic time.

A massive extinction is caused in the Permian Triassic extinction event i.e about 250 mn years ago which on an estimate has killed 90% of the species.

The Cretaceous–Paleogene extinction event that occurred over 66 million years ago is known to have wiped out the dinosaurs and many other species.

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3 years ago

Name the different divisions of animals according to their habitats

sergiy2304 [10]

Explanation:

Terrestial Animals - Animals which can only live on Land.Examples:- BEAR- CAT- DOG- DEER

Aquatic Animals - Animals which can only live on Water.

Examples:- FISH- OCTOPUSES- LOBSTERS- SEAHORSE

Amphibians - Animals which can live both on land and on water.

Examples:- FROGS- TOADS- SALAMANDERS

Arboreal Animals - Animals which live primarily on trees.Examples:- SQUIRREL- RODENTS- CHAMELEON

7 0

3 years ago

Malaria parasite divides into many daughter individual simultaneously through multiple fission. State an advantage the parasite

Komok [63]

Answer:

The major characteristic feature of asexual reproduction is the production of clones.Identical offspring with virtually similar DNA.Therefore,this is advantageous to the parasite because, the offspring or progeny produce are similar(clones), to the parent parasites,thus multiple reproduction can occur when a single individual parasites cells divisions.

Explanation:

6 0

3 years ago

Describe one type of factor that controls cell division.

irina [24]

The cell cycle is controlled by many cell cycle control factors, namely cyclins, cyclin-dependent kinases (Cdks) and cyclin-dependent kinase inhibitors (CKIs). Cyclins and Cdks, which are positive regulators of the cell cycle, activate cell cycle factors that are essential for the start of the next cell cycle phase.

Factors Affecting Cell Division
Nutrients. The nutrients present in the cell affect cell division. ...
Genetics. Genetic code regulates cell division. ...
Chemicals. Exposure to toxic chemicals such as pesticides and some cleaning chemicals can cause cell mutation. ...
Stress. Stress affects cell division.

7 0

3 years ago