How does tobacco use weaken blood vessels?

it thins artery walls

it raises blood pressure

it lowers heart rate

it decreases blood cholesterol

**i’m stuck between the first two options**

Fill in the table below by placing check marks in the appropriate boxes and writing the product of transcription and translation. super

Burns are devastating and debilitating because of loss of fluids and electrolytes from the body. how do physicians estimate the extent of burn damage associated with such dangerous fluid loss?

As you sit in the library with your friend studying for your weekly quiz on the integumentary system, you come upon an article about the hazards of prolonged exposure to the sun's rays. your curious nature leads you to research the subject further. you're fascinated to learn that minimal exposure to the sun allows you skin to manufacture vitamin d, which is important to maintain homeostasis. you also read that although sunscreen can protect you from the ultraviolet (uv) rays of the sun, some medications can actually increase a person's sensitivity to the sunlight.