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nadya68 [22]
3 years ago
13

Which blood vessel supplies blood to the heart muscle itself?

Biology
1 answer:
AlladinOne [14]3 years ago
8 0

Answer and Explanation:

B. Coronary artery

On the surface of the heart, there's coronary arteries. It supplies oxygen and blood to the heart muscle. The major blood vessels that enter the heart are the superior vena cava, the inferior vena cava, and the pulmonary veins.

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Answer:The larger, more menacing crusher claw also serves as a mating or sexual focus point, apparently the bigger the crusher claw the more attractive male lobsters are to female lobsters. Male lobsters develop proportionately larger claws than females of the same weight once they reach sexual maturity.

4 0
3 years ago
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What is the term that represents excessive plant growth in water that causes large amounts of inorganic substances, such as phos
tatiyna

Answer:

b)eutrophication

Explanation:

have you ever seen a lake or body of water with a layer of green on top? That's eutrophication due to heavy amounts of growth nutrients (primarily from runoffs from agriculture) in water. Simple plants utilize those and grow very fast. As they grow, they take up the oxygen and make water oxygen poor. These produce deadzones cuz the water life basically suffocates to death due to less oxygen. Eventually plants will also die

6 0
2 years ago
Dizygotic twins: a. are also called "identical" twins. b. develop from the same fertilized egg. c. are as genetically similar as
posledela

Answer:

The correct answer is c. are as genetically similar as other siblings.

Explanation:

Dizygotic twin are the twins which developes from two different fertilized egg. So a dizygotic twins can be both male, both female or one male and one female. As dizygotic twins are produced by fertilization of two different gametes, therefore, they share just half of their gene like other siblings share.

Therefore dizygotic twins are as genetically similar as other siblings. Monozygotic twins are the twins that are produced from a single fertilized egg which splits into two eggs. So monozygotic twins share 100% gene, therefore, they are called identical twins. So the correct answer is c.

8 0
4 years ago
Which diagram shows magnets aligned so they will attract each other?<br> C
barxatty [35]

Answer:

If the two magnets have their two N poles pointing up then when they are side by side they will repel each other but when they are head-to-tail they will attract.

Explanation:

so a positive and a negative will attract

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3 years ago
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