Answer: A large dome-shaped muscle under the lungs called the diaphragm squeezes downward when you breathe in, making a vacuum that causes a rush of fresh air into your lungs. The opposite happens when you breathe out -- your diaphragm relaxes upward, pushing on your lungs, letting them deflate. (A whole explanation from my science book. Hope this helps!)
Answer:
Complementary angles
Explanation:
Complementary angles. Because ∠EFB = 90° ⇒ ∠EFA = 90°
∠AFC + ∠EFC = 90°.
Hence, the correct answer is complementary angles.
<em>Vaccines work by simulating an illness to help establish immunity. However, while this sort of infection nearly never produces sickness, it does trigger the immune system to create T-lymphocytes and antibodies. The imitation illness can sometimes induce modest symptoms, like as fever, after receiving a vaccination.</em>
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<em>- RobertOnBrainly</em>
I could recommend Brian find someone he feels comfortable talking to about his feelings example another trusted friend or a professional. Or find close relative to have family members speak to him
Because the kidneys cant get rid of all toxins in the body.
