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3 years ago

The three types of blood vessels are the arteries, veins, and capillaries.

2 answers:

6 0

a. True.
There are 3 main types of blood vessels.
Arteries that take blood away from the heart. Veins that carry blood from capillaries back to the heart. Capillaries which are responsible for the exchange of materials between blood and other tissues.

Hope this helps.

oksian1 [2.3K]3 years ago

6 0

Answer:

a. True is the correct answer.

Explanation:

blood vessel function is to carry blood to in the body

The three types of blood vessels are the arteries, veins, and capillaries.

Arteries: function is to carry the oxygenated blood aside from the heart.

Capillaries: arteries and veins are connected thin and small blood vessels called capillaries. The thin wall of capillaries helps in the passage of nutrients, carbon dioxide and oxygen to the cells.

Veins: The function is to carry the deoxygenated blood to the heart.

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In humans, black hair (B) is dominant over red hair (b) and having six fingers (F) is dominant over having five fingers (f). Sal

Lera25 [3.4K]

Answer:

Genotype & Phenotype

BbFf - 4

bbFf - 4

Bbff - 4

bbff- 4

Phenotype

BbFf – Black Hair with six fingers

bbFf – red hair with six fingers

Bbff – Black hair with five fingers

Bbff – red hair with five fingers

Explanation:

Given

Black hair allele is represented by "B"

Red hair allele is represented by "b"

Trait of having six fingers is represented by "F"

Trait of having five fingers is represented by "f"

Also , B is dominant over b and F is dominant over f

Genotype of sally having black hair and five fingers when her father has red hair is Bbff

Genotype fo Bill having red hair and six fingers when his mother had five fingers is bbFf

Bbff * bbFf

Bf bf Bf bf

bF BbFf bbFf BbFf bbFf

bf Bbff bbff Bbff bbff

bF BbFf bbFf BbFf bbFf

bf Bbff bbff Bbff bbff

Genotype & Phenotype

BbFf - 4

bbFf - 4

Bbff - 4

bbff- 4

Phenotype

BbFf – Black Hair with six fingers

bbFf – red hair with six fingers

Bbff – Black hair with five fingers

Bbff – red hair with five fingers

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3 years ago

The diagram shows structures found in a seed plant.

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Answer:

provides food for embryo

Explanation:

The structure marked with an X in the figure below is called a stored nutrient reserve.

The seeds are basically formed by an integument (outer part, a stored reserve and the embryo (it is in the center of the seed), the embryo is the main creator of a new plant, for that, it needs a high load of nutrients that is provided by the nutrient reserve. In addition, the stored nutrient reserve protects the embryo from external factors such as solar radiation and freezing.

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Answer:

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Answer:

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