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Tom [10]
3 years ago
13

What is the function of the iris diaphragm of the microscope?

Medicine
1 answer:
tatiyna3 years ago
3 0

Answer: Iris Diaphragm is a device that controls the amount of light that exits the condenser of a microscope. There by controlling the illumination of the specimen and, more relevantly, the degree of contrast between specimen and background.

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The rotator cuff consists of several muscles, which of the following is NOT one of them?
nikklg [1K]

Answer:

The correct option is : c. Teres Major

Explanation:

Rotator cuff muscle is the group of muscles and their tendons present in the shoulder. The function of rotator cuff muscle is to stabilize the shoulder, by keeping the ball of the humerus bone in the socket of the shoulder.

The four rotator cuff muscles and their functions-

  1. Supraspinatus muscle: abduction of humerus
  2. Infraspinatus muscle: external rotation of humerus
  3. Teres minor muscle: external rotation of humerus
  4. Subscapularis muscle: internal rotation of humerus

Therefore, the rotator cuff muscle does not contain the teres major muscle.

8 0
3 years ago
People who experience a positive event, get excited, breath harder, and have an increase in their heart rate, then interpret the
stiks02 [169]

Answer:

Anxiety Sensitivity

Explanation:

Anxiety Sensitivity is the behaviors and fears which are associated with anxiety. The sensations related to anxiety are mistaken for a harmful experience which can aggravate the fear and anxiety even more. That is why the positive event's experience can be interpreted as heart attack.

4 0
4 years ago
Read 2 more answers
The amount of essential fat in the form of vegetable oil needed daily by humans is approximately __________ teaspoons.
Cloud [144]

Answer:

3 to 4 teaspoons.

Explanation:

storing energy

4 0
3 years ago
A confined space has limited or restricted means for entry or exit. Confined spaces include, but are not limited to, underground
Viktor [21]

Answer:

Explanation:

They might lose control and fall or get injured some other way.

5 0
3 years ago
Definition of expectorant​
neonofarm [45]

Answer:

a medicine which promotes the secretion of sputum by the air passages, used to treat coughs.

Explanation:

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3 0
2 years ago
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