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professor190 [17]
2 years ago
12

Please Help Asap!!! Please!!!!!

Biology
2 answers:
Andrei [34K]2 years ago
7 0
I think it’s b but idk i’m learning that in science as well
Vinvika [58]2 years ago
5 0

Answer:

The answer is C

Explanation:

The reason we have the day/night cycle we have now is due to the pattern of earths rotation, if we change this, we change the cycle we have now.

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Mammals that lay eggs are known as ____________.
aivan3 [116]

Answer:

Monotremes

Explanation:

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3 years ago
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HELP!!!!!!!!!!!!!!!!!!!!!!!!!
madreJ [45]
4-Growth, maintenance, balance fluids, maintain proper hp

2-Actin, collagen
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3 years ago
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how would the function of synovial joints be changed if they lacked joint cavities and the bones were united instead? Explain.
Anettt [7]

Answer:

In the absence of joint spaces (cavities) and bones fused together, body movements would be null or reduced.

Explanation:

The joints are the spaces where two bones meet, with cartilaginous tissue - articular cartilage and ligaments - to allow elasticity and body movements.

The articular cavities are spaces where bone union occurs through ligaments, surrounded by an articular capsule and upholstered inside by a membrane that produces liquid, the membrane and synovial fluid, respectively. These joints are usually found in the mobile body segments.

<em><u>If the joint cavities did not exist, and the joints occurred between bone and bone, body mobility would not be possible</u></em>. In the case of the skull bones, they do not have joint space, since their function is the protection of the organs of the central nervous system, not movement.

Learn more:

Types of structural and functional joints brainly.com/question/2114504

6 0
3 years ago
Neural control of gfr is mediated by ________ that innervate ________ receptors on vascular smooth muscle causing ________
storchak [24]

Neural control of GFR is mediated by Sympathetic neurons that innervate alpha receptors on vascular smooth muscle causing Vasoconstriction.

<h3>How is GFR regulated?</h3>
  • The sympathetic division of the nervous system regulates the GFR or Glomerular Filtration Rate.
  • GFR is the sum total of filtration rates of all the working nephrons in the kidney.
  • Sympathetic division comes into action when the mean arterial pressure is very low (below 80mmHg).
  • In response to low blood pressure, the medulla releases norepinephrine through sympathetic nerves.
  • Norepinephrine leads to activation of alpha receptors on arteries which cause vasoconstriction.
  • Alpha receptors are more abundant on afferent arterioles.
  • This leads to vasoconstriction (narrowing) of arteries supplying to the glomerulus.
  • This decreases blood flow to glomerulus, leading to decrease in GFR.

Learn more about Glomerular Filtration Rate here:

brainly.com/question/13064727

#SPJ4

8 0
1 year ago
Thoracentesis is performed to inflate a collapsed lung true or false
Gennadij [26K]
<span>Thoracentesis is not an approved procedure to inflate a collapsed lung. Thoracentesis, also called thoracocentesis and known as a pleural tap is used in the medical field as a procedure to remove air or fluid from the pleural space in the lung for diagnostic or therapeutic purposes.</span>
7 0
3 years ago
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