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Reil [10]
3 years ago
10

Which of the following is a characteristic of the lens?

Biology
1 answer:
LiRa [457]3 years ago
6 0

Answer: A. the lens focuses light on the retina

The lens is composed of transparent, flexible tissue and is located directly  behind the iris and the pupil. it is the secondary part of the eye after the cornea. by changing it's shape the lens changes the focal distance of the eye and focuses the light that passes through it and into the retina in order to create clear images of objects. it also works together with the cornea to refract, or bend light.

good luck and a great day to you.

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What are the functions and vessels of the heart, and what are some cardiac disorders that might be life-threatening to a person
zavuch27 [327]

Answer:

The cardiovascular, or circulatory, the system supplies the body with blood. It consists of the heart, arteries, veins, and capillaries. but the things that might be life-threatening to a person or animal are;

Explanation: angina is a type of chest pain that occurs due to decreased blood flow into the heart this can harm animals and people. there is also - - - arrhythmia,which is or an irregular heartbeat or heart rhythm,

- congenital heart disease, in which a problem with heart function or structure is present from birth.

-coronary artery disease, which affects the arteries that feed the heart muscle.

- Heart attack, or a sudden blockage to the heart’s blood flow and oxygen supply this can kill. heart failure, wherein the heart cannot contract or relax normally,

- dilated cardiomyopathy, a type of heart failure, in which the heart gets larger and cannot pump blood efficiently and the last one is  

- hypertrophic cardiomyopathy, in which the heart muscle walls thicken and problems with the relaxation of the muscle, blood flow, and electrical instability develop

these are only a few that can harm or even kill a living thing like and animal or person these things are really harmful.

I hope this helps you!!

5 0
2 years ago
What determines an organism’s phenotype?
OLEGan [10]

Answer:

D. Genes and environment

Explanation:

8 0
3 years ago
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Stem cells in plants are referred to as?
Amanda [17]
The answer is B




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7 0
3 years ago
What three quantities are used to describe a ocean wave?​
Ivahew [28]
Anatomy of a Wave
A wave is described by its wavelength (or the distance between two sequential crests or two sequential troughs), the wave period (or the time it takes a wave to travel the wavelength), and the wave frequency (the number of wave crests that pass by a fixed location in a given amount of time
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What feature controls how tightly linked two genes are?
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Answer:

the physical distance between the two genes.

Explanation:

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