1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Assoli18 [71]
2 years ago
12

What's the meaning of a pneumatic bones ?​

Biology
2 answers:
Dmitriy789 [7]2 years ago
7 0

Answer:

Pneumatic bones are those bones which contain an air filled cavity within them. In humans, they are seen in relation to the the nasal cavity – they enclose the paranasal sinuses. Pneumatic bones are – maxilla, frontal bone, sphenoid and ethmoid.

Explanation:

# CARRYONLEARNING

True [87]2 years ago
4 0
The pneumatic bones are important to birds for respiration. They are hollow bones which are connected to the bird's respiratory system and are important for birds to be able to breath. Examples of pneumatic bones are the skull, humerus, clavicle, keel (sternum), pelvic girdle, and the lumbar and sacral vertebrae.
You might be interested in
A few years after a devastating forest fire, pioneer trees become established. after another 50 years, those trees are replaced
Keith_Richards [23]
Abiotic factors composed of water, light, temperature and air etc. due to fire's this primary succession was completely destroyed. Their remaining organic bodies were decomposed in soil texture.

In order to establish secondary succession there is need of water and light, because water help in translocation of food and nutrients in plants while light is important for photosynthesis.

Photosynthesis need three major components. these are H₂O, CO₂ and light, all these components are abiotic part of ecosystem. However, when secondary succession occurs, then light play a key role in changing the composition of plant community. The best example is the difference in height of plants of different community.
4 0
3 years ago
Freddy mixed 10 g of a powdery substance with 200 g of an acid solution. A bubbly solution weighing 205 g was formed. Which best
inysia [295]
Option 3; the other grams were realeased as a gas
7 0
3 years ago
What is the difference between HLA and MHC?
mr_godi [17]
The major histocompatibility complex (MHC<span>) is a set of cell surface proteins essential for the acquired immune system to recognize foreign molecules in vertebrates, which in turn determines histocompatibility. ... The human </span>MHC<span> is also called the </span>HLA<span> (human leukocyte antigen) complex (often just the </span>HLA<span>).</span>
5 0
3 years ago
Dr. Simonson was trying to explain to Justine why her smoking might lead to further health problems. He took out a model of a lu
BigorU [14]

Answer:B.

It was used to prove that smoking causes health problems.

Explanation:

3 0
3 years ago
Read 2 more answers
If present, the ________________ allele will always be expressed as the phenotype.
k0ka [10]

Answer:

Dominant

Explanation:

The dominant allele will always be shown in the phenotype if it's present, because the other allele would be dominant or recessive. If both alleles are dominant, then the dominant one shows, if one of the alleles is recessive, then the dominant allele would show over the recessive one.

I think of recessive alleles as "weak" where, they just follow behind whichever other allele exists there. If the other one is dominant, then the recessive one is behind it, and no one can see it. If it other allele is recessive, a recessive allele will be in front.

6 0
3 years ago
Other questions:
  • A medical specialty that is particularly concerned with malignant tumors and their treatment is called:
    6·2 answers
  • Which organelle is responsible for sorting and packaging proteins for storage and/or secretion from the cell?
    6·2 answers
  • Which of the following statements are true about freezing points are true
    9·1 answer
  • Which of the following is not a condition required for all thunderstorms to
    14·2 answers
  • What parts of the human body might become vestigial in the next million years?
    5·1 answer
  • Study the picture above. Based on what you leared in this unit, correctly match the type of plate
    13·1 answer
  • DNA replication and DNA synthesis are the same process.
    10·2 answers
  • What do human skin muscle and nerve cells all have in common
    7·2 answers
  • Why rapidly digestible starch good for weak person and slowly digestible starch is good for diabetic person
    9·1 answer
  • This type of endocytosis is the cellular process of engulfing liquid particles by the cell membrane.
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!