The Answer to this this question would be letter A
Answer:Exercise increases the rate at which energy is needed from food, increasing the need for both food and oxygen by the body. This is why when we exercise both pulse/heart rate and breathing rate increase.
Explanation: Hope this helps
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Answer:
Cancer is unchecked cell growth. Mutations in genes can cause cancer by accelerating cell division rates or inhibiting normal controls on the system, such as cell cycle arrest or programmed cell death. As a mass of cancerous cells grows, it can develop into a tumor.
Explanation:
<span>She most likely suffers from conductive hearing loss, which is the type of hearing loss that happens when there's problems conducting sound anywhere along the ear, wheter it is through the outer ear, the eardrum, or middle ear, even the inner ear sometimes</span>