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poizon [28]
1 year ago
13

How many miles a week of jogging is sufficient to reach an excellent level of cardiorespiratory fitness

Medicine
1 answer:
stich3 [128]1 year ago
7 0

Answer:

About 10

Explanation:

It depends on the person, and how many miles you run each day.

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In a contracted muscle, which of the following extends from ‘Z’ disc to ‘Z’ disc?
erica [24]

Answer:

The correct answer will be option A - A-band.

Explanation:

The sarcomere is the repeating unit of a myofibril which extends between two z-lines. Under a microscope, a sarcomere can be divided into A- band which is composed of thick myosin only and I-band which consists of thin filament that is actin only.

When a muscle contract then actin and myosin comes in overlapping position due to which I-band shortens and between two z-lines and overlapped structure of thin actin filaments over thick myosin filaments (A-band) is seen.  

Therefore, only A-band is seen between two z-lines in a contracted muscle thus, option A is the correct answer.

7 0
2 years ago
Sounds in the external ear depends on vibration of movable bones. Please select the best answer from the choices provided T F
katovenus [111]
I believe that’s true.

Noise goes to our ear drums which turns it into vibrations and sends it to three little bones.
7 0
3 years ago
Read 2 more answers
Brain-imaging techniques can determine all of the following EXCEPT :
pantera1 [17]

Answer:

The answer is letter c, The structure of individual neurons.

Explanation:

Brain-imaging technique- <u><em>this comprises of different techniques for analyzing the brain's activities as well as structure, function and other problems.</em></u>

There are many brain-imaging techniques such as <u>Positron Emission Tomography or PET,</u> which traces the part of the brain that is activated during specific tasks as well as the localization of brain activity in response to a specific stimulus. These areas are seen with high radioactivity.

Patterns of blood flow in the brain can be detected by using <u>MRI (Magnetic Resonance Imaging) test.</u> There is an increase in blood flow to areas in the brain with high activity level.

With the explanation given, it shows that letter c is the only choice that the brain-imaging techniques cannot determine.

7 0
3 years ago
Discuss why quality is considered subjective. Your discussion should be at least 200 words.
Katyanochek1 [597]

Answer:

whyat is this

Explanation:

6 0
3 years ago
Read 2 more answers
Icd 10 code for diverticulitis of sigmoid colon
NikAS [45]

Answer:

K57.3

Explanation:

K or XI chapter are diseases of digestive system, from K55-63 are the other diseases of intestines and the K57 is the diverticular disease of the intestine

6 0
3 years ago
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