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alexira [117]
3 years ago
4

Which of the following describes a positive feedback loop?

Biology
2 answers:
Inessa05 [86]3 years ago
7 0

Answer:

When someone is exercising intensely, the body secretes hormones that increase oxygen supply for cellular respiration.​

Explanation:

Positive feedback is defined as the reaction in nature in which the product of reaction increases. A positive feedback loop is not limited to a level but can move away from the equilibrium.

For example: During intense exercising, heart started producing more oxygen or pumps blood faster through the body.

Hence, the correct answer is "4.​"

bixtya [17]3 years ago
3 0

Answer:

the answer is A when blood sugar contraction is to low

Explanation:

i took the test

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Who uses mitosis and meiosis
quester [9]
Mitosis and meiosis is based off of cells in biology. Mitosis has to do with cells dividing into two identical cells with the same number of chromosomes. On the other hand, meiosis has to do with the parent cell losing half of their chromosomes and dividing twice in order to make four cells.
3 0
4 years ago
What can help digestion give some examples and explain in short.
Katen [24]

Answer:Terms in this set (10)

Mouth

Teeth chop food & saliva breaks down food

Esophagus

Tube that connects mouth to the stomach (peristalsis)

Stomach

Organ that releases acid and juices & mixes with food to create chymes

Small Intestine

Greatest amount of digestion takes place (if taken out, it would be 21ft long) (takes 4hrs to get to the small intestine)

Liver

Gland that releases bile and filters poisonous waste

Gall Bladder

Small organ that stores bile (you can live without it)

Pancreas

Gland that produces digestive enzymes and insulin

Large Intestine

(colon) Tube extending the small intestine where your indigestive food is ready for elimination

Rectum

Short tube at the end of the large intestine

Anus

Opening to the outside of the body

Explanation:

The organs of the digestive system are the mouth, esophagus, stomach, pancreas, liver, gallbladder, small intestine, large intestine and anus. Recognizing how these organs work together to digest food is key to understanding how digestion works.

7 0
2 years ago
Read 2 more answers
If an element has 4 electrons, how many of them will be in the second energy level?
uysha [10]

2 because the 1st energy level can only hold 2 electrons and the 2nd holds 4


7 0
3 years ago
What type of reproduction occurs when animals produce cloned offspring
gtnhenbr [62]
This is called asexual reproduction.
8 0
3 years ago
PLEASE HELP. WHAT IS THE VOLUME.
Igoryamba

Answer:

75 mL.

Explanation:

As you can see, displayed by the numbers and each tick mark going up the right side of the beaker, the blue fluid stops exactly halfway in between 50 and 100 mL. This equals 75 mL.

5 0
4 years ago
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