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Inessa05 [86]
3 years ago
9

Explain the effect of activity on a heart rate​

Biology
2 answers:
WITCHER [35]3 years ago
5 0

Answer:

Pretty much the more activity you do, or the more intense it is, the faster your heartrate will be. Your heart needs blood, and when you're exercising the blood is pumping through your body faster.

Explanation:

Leni [432]3 years ago
3 0

Answer: Exercise causes the heart to pump blood into the circulation more efficiently as a result of more forceful and efficient myocardial contractions, increased perfusion of tissues and organs with blood, and increased oxygen delivery. Aerobic exercise trains the heart to become more efficient.

Explanation:

PLEASE MARK ME AS BRAINLIEST

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Which letter would you expect the temperature to be extremely cold?
julia-pushkina [17]

Answer:

d

Explanation:

bc it’s the deepest part so it is gonna take longer to heat up.

6 0
3 years ago
Crawfish are shelled organisms that live in shallow freshwater rivers. They can have antennae of different lengths. Two parents
vredina [299]

The phenotype of antenna in crawfish depends on the protein amount in the antenna length. The offspring have different phenotype than their parent because of the amount of protein translated from each parent gene is determining in this.

The gene determines the amount of protein to be present in the antenna to determine its length.

Explanation:

Data given:

Two crawfish parent = medium length antennae, genotyoe Ll

One offspring = short antenna, genotype ll

one offspring = long antennae, genotype LL

The traits in offspring is shown as:

       L    l

L   LL    Ll

l   Ll     ll

The proportion of allele present in the gene determined the length of the antenna in crawfish.

The difference in length of the antenna in crawfish is due to the amount of protein for the phenotype present in the individual. The amount of protein to be expressed in the crawfish is given by both the parents. The tendency of protein expresed define the phenotype of antenna length.

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3 years ago
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Whitepunk [10]

Answer:

Explanation:

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Galina-37 [17]

Answer:

im fine.

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Explanation:

6 0
3 years ago
What is carrying capacity
valentina_108 [34]

Answer:

carrying capacity is how much population an environment can hold without its resources being used up/ when a Population Hits Its Limit. an example would be The Carrying Capacity of North American Deer. the Carrying Capacity of Grazing Cattle.

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