Intercostal Muscles
The muscles of respiration
are muscles that contribute to exhalation and inhalation by causing the contraction
and expansion of the thoracic cavity. However, diaphragm is the main muscle of breathing
while intercostal muscles is one of the most important muscles for respiration.
Intercostal muscles function by manipulating the width of the rib cage and they
are attached between the ribs.
The birth rate was greater than the death rate and the immigration rate was greater than the emigration rate. Options B and D are correct.
<h3>Population growth</h3>
From the illustrated image, the world experienced an upward growth in population between 1950 and 2010.
In order for population growth to occur:
- the birth rate must exceed the death rate
- immigration must exceed emigration
Either or both of the above conditions will lead to a growth in the population.
Thus, options B and D are correct.
More on population growth can be found here: brainly.com/question/18415071
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Answer:
Which statement explains what happens to older crust during seafloor spreading?
Explanation:
D. It moves away from a mid-ocean ridge.
Give brainiest?
Answer:
Spore
Explanation:
Most of the fungal species reproduce through spores. Spores are the reproductive structures of fungi that help in the survival of fungal species under unfavorable conditions and their dispersal to new habitats. Fungal spores are very light in weight and are dispersed with wind currents.
For example, ascospores are the sexual spores produced by fungal species of the group ascomycetes and are carried with the wind.
Answer:
Cancer can ruin the lungs and cause death of lung tissue. If a lung is ruined, running would be out the picture and you would have enough oxygen to provide for your cells during exercise
