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ASHA 777 [7]
3 years ago
11

What is the major function of valves in human veins

Biology
1 answer:
Olenka [21]3 years ago
3 0
To prevent blood flowing back after each heartbeat. They ensure that the blood flows only in one direction (back to the heart).         
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Una célula muscular de una especie tiene 20 cromosomas, ¿ cuantos cromosomas crees que tiene una célula nerviosa de la misma esp
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46 Cromosomas

Las células del ser humano tienen 23 pares de cromosomas, 22 pares de autosomas y un par de cromosomas sexuales. Por tanto, cada individuo tiene 46 cromosomas en sus células. Por lo tanto, el número de cromosomas presentes en una célula nerviosa de un ser humano es de 46 cromosomas.
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3 years ago
Which of these elements possesses a<br> magnetic domain?<br> A. lead<br> B. cobalt<br> C. potassium
Paha777 [63]

Answer:

I am pretty sure.. it's option B.

COBALT.

6 0
2 years ago
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Airborne mercury has received special attention because it is a widespread and persistent neurotoxin (a substance that damages t
notka56 [123]
The answer to this question is the "coal-burning power or the power plants". Hence, the Airborne mercury has received special attention because it is a widespread and persistent neurotoxin. TA neurotoxin is a substance that damages the brain and the nervous systems. Minute doses can cause nerve damage and other impairments, especially in the young children and the developing fetuses. The majority of the airborne mercury is released by POWER PLANTS or coal-burning plants. Many people are affected and get sick that is why when there is a proposed new power plant project, most people object and opposed.
5 0
3 years ago
The law of _________________ states that traits are passed from parents to offspring independently of one another.
balu736 [363]

Answer: The correct answer for the fill in the blank is- Law of independent assortment.

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Thus, Law of independent assortment is the right answer.

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3 years ago
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C6H1206 is a type of Carbohydrate
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3 years ago
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