Answer:
The pectoralis muscle moves the front limb inward and the transverse abdominal muscles moves the posterior limiting membrane up. The limbs are brought into the shell, pushing up on the lung, causing air to expel by the muscles contracting.
To Breathe air in, the serrates muscle pulls out, the abdominal oblique pulls down and the weight of the viscera allows air to flow in, via negative pressure.
Explanation:
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The best explanation that best predicts what happens to the trait over time is that the incidence of mid-digital hair will not change because it offers no selective advantage or disadvantage. A mutation is a sudden, spontaneous random change that occurs in the genetic make up of an organism. The presence or absence of mid-digital hair is controlled by a single gene with two alleles, and the allele H is dominant.
I am pretty sure the answer is c
She has serious osteoporosis, the postmenopausal shortage of estrogen has put her bones in danger, weight-bearing activity and supplemental calcium will most likely be recommended. Osteoporosis is a state of delicate bone with an expanded vulnerability to break. Osteoporos is debilitated bone and builds the danger of bones breaking.