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Step2247 [10]
3 years ago
15

Bones softens when kept in acid for some hours

Biology
1 answer:
Leokris [45]3 years ago
8 0

The answer would likely be true because bones dissolve when kept in acid for hours because the bone has a component, called calcium. With the calcium, it breaks down and dissolves in acid when it is dissolved in it, making the bone to dissolve the minerals, making the bones decalcified.

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Please help me wuth this:
ipn [44]

1. Answer;

It facilitates the movement of the fetus towards the pelvic girdle thus the child is born headfirst.

Explanation:

  • During labor the pelvic floor facilitates movement of the fetus towards the pelvic girdle by resisting the descent of the presenting part. This makes the fetus to rotate forwards and therefore results in majority of the fetus being born headfirst.  

2. Answer;

Purple pushing lead to development of pelvic floor problems.

Explanation

;

  • Purple pushing involves the midwife instructing a woman to hold her breath for ten seconds while forcefully pushing down during a contraction.
  • in the second stage instead of waiting for the mother to feel the instant urge of pushing which lead to development of pelvic floor problems.

3. Answer;

Exercise can help to strengthen the abdominal muscles and reduce the appearance of diastasis recti.

Explanation;

  • By contracting transversal abs muscles they strengthen and pull the muscles inwards.
  • The diastasis recti reduce with time due since the rectus muscles come close to each other enabling a human being to live a normal life because flexion, bending and stability becomes easy.

4. <u>Answer</u>

  • Pelvic floor muscles
  • Stomach muscles
  • Abdominal muscles
  • Perineal muscles
  • Uterine muscles

<u>Explanation</u>

  • Abdominal muscles are stretched to their limit by term. They greatly decrease the ability to perform strong contraction.
  • Pelvic floor is vulnerable to muscular and neurological injury during labor and delivery.  
  • Perineal muscle tightening strengthens the pubococcygeus muscle and increases its tone.

5. Answer and explanation;

  • Sports that can lead to falling down e.g. skating
  • Sports that may involve altitude change
  • Exercises that involve lying flat on your back
  • Exercises that involve holding o breath
  • Motionless standing

6. Answer

Yes

Explanation

;

  • Exercise maintains physical fitness, health and wellness aiding growth to the unborn since the mother gains enough strength and energy and there is proper blood flow.
  • Many pregnant women tend to gain weight which may lead to health difficulties for example struggling to breath. The pregnant lady is able to cope with labor and she is able to get back in shape after the baby is born.

7. <u>Answer</u>;

One is supposed to get up slowly and gradually to avoid dizziness.  

<u>Explanation;</u>

  • Dizziness happens after a tiresome activity done continuously for a period of time thus one should get up slowly and gradually to avoid other injuries like falling endangering the life of the unborn child.

7 0
3 years ago
What about the structure of DNA allows it to copy itself
Marina86 [1]

The two strands of a DNA molecule have complementary base pairs, the nucleotide sequence of each strand automatically supplies the information needed to produce its partner.

8 0
3 years ago
"Which of the following shows an unsaturated fatty acid? Please refer to the attachment for the choices.
sergij07 [2.7K]
As per the two attachments given in the question, option "B" is the one choice among the choices that are given <span>shows an unsaturated fatty acid. The other options given are incorrect and can be easily neglected. I hope that this is the answer that has actually come to your great help.</span>
7 0
3 years ago
I’m not sure but do anybody know this ‍♀️
forsale [732]
Deletion is the correct choice
8 0
3 years ago
How many amino acids are found in nature
Firdavs [7]

Answer:

para la mayoría de los seres vivos son 20

Explanation: alanina, arginina, asparagina, aspartato, cisteína, fenilalanina, glicina, glutamato, glutamina, histidina, isoleucina, leucina, lisina, metionina, prolina, serina, tirosina, treonina, triptófano y valina.

Sin embargo, hay excepciones: en algunos seres vivos el código genético tiene pequeñas modificaciones y puede codificar otros aminoácidos

3 0
3 years ago
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