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RideAnS [48]
3 years ago
14

An athlete might believe that there is a benefit to blood doping with red blood cells because it

Biology
1 answer:
julia-pushkina [17]3 years ago
8 0

1) could improve the delivery of oxygen to the muscles

Because such blood cells carry oxygen from the lungs to the muscles, a higher concentration in the blood can improve an athlete’s aerobic capacity and endurance.

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When water freezes, it (expads ,contracts)?
stiv31 [10]
It contracts hope that helps
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3 years ago
How many different breeds of dogs are there in the world?
hram777 [196]

Answer:

339

Explanation:

the FCI recognizes 339 breeds of dogs which are divided into 10 groups based on the dog’s purpose or function or on its appearance or size. The 10 groups are:

Sheepdogs and Cattle Dogs, other than Swiss Cattle Dogs (this group includes most of the dogs found classified as "herding dogs" by other kennel clubs).

Pinscher and Schnauzer, Molossoid Breeds, Swiss Mountain and Cattle Dogs and Other Breeds (the Molossian breeds include the dogs known as the mastiffs by most other kennel clubs)

Terriers

Dachshunds

Spitz and Primitive Types

Scent hounds and Related Breeds

Pointers and Setters

Retrievers, Flushing Dogs, Water Dogs

Companion and Toy Dogs

Sighthounds

5 0
3 years ago
Which five organs make up the vestibular system? A. Three semicircular canals and two otolith organs B. Two semicircular canals
enot [183]

Answer:

Option A

Explanation:

The vestibular system is a part of the inner ear that provides the most important contribution to the sense of balance and coordinating movement with balance. This system is made up of two parts which are the three semicircular canals and the two otolith organs. The two otolith organs are the saccule and the utricle. The utricle is sensitive to changes with regards to horizontal movement and the saccule provides information about vertical acceleration. They are able to do this due to their orientation in the inner ear providing spatial orientation with regards to movement and balance. the three semi circular canals includes the horizontl, poterior and the superior semicircular canals. they provide sensory inputs.

5 0
3 years ago
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What is thought to have caused the ice age
Semenov [28]

Answer:

Ice Age Explanation. Fluctuations in the amount of insolation (incoming solar radiation) are the most likely cause of large-scale changes in Earth's climate during the Quaternary. In other words, variations in the intensity and timing of heat from the sun are the most likely cause of the glacial/interglacial cycles.

Explanation:

7 0
3 years ago
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ANSWER ASAP PLZ!!!!!<br><br> Why do most flowers have scents and colored petals?
just olya [345]

Answer:

"Collectively the scent, colour and shape of petals all play a role in attracting/repelling specific pollinators and providing suitable conditions for pollinating. Some pollinators include insects, birds, bats and the wind."

-Google Wikipedia

Explanation:

6 0
3 years ago
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