Weegy: Once a person has been diagnosed with diabetes, what is the single greatest health threat they will face? B. cardiovascular disease User: Which of the following is NOT a lifestyle risk factor for cardiovascular disease? A. physical activity B. obesity C. diabetes D. tobacco use Weegy: Physical activity is NOT a lifestyle risk factor for cardiovascular disease. User: Hypertension is called "the silent killer" because __________. A. it kills people while they sleep B. there is no treatment for it C. it generally has no symptoms D. if affects the voice box first (More)

Weegy: The failure to deliver blood to the heart due to a narrowing of arteries results in atherosclerosis. User: Hypertension is called "the silent killer" because __________. A. it kills people while they sleep B. there is no treatment for it C. it generally has no symptoms D. if affects the voice box first (More)

Weegy: According to Newton's second law of motion, force is equal to mass times acceleration. True User: A balance uses small metal weights of known mass to determine the mass of a substance. Where would a balance NOT function correctly? (More)

Weegy: The heart consists of four chambers. (More)

Weegy: Once entering the nose, air moves through both the pharynx and larynx. This is TRUE. User: Your friend Amanda suffers from a condition that reduces her blood's ability to carry oxygen. Which of the following is the name of that condition? A. emphysema B. hemophilia C. leukemia D. anemia Weegy: Your friend Amanda suffers from a condition that reduces her blood's ability to carry oxygen. ANEMIA is the name of that condition. User: The right ventricle transports oxygenated blood to the lungs. User: Nutrients and waste both enter and leave cells through a process called __________. A. effusion B. diffusion C. fusion D. emulsion Weegy: Nutrients and waste both enter and leave cells through a process called diffusion. User: Each lung is fed oxygen by a separate bronchus. Weegy: Each lung is fed oxygen by a separate bronchus. True. User: Arteries carry oxygen-rich blood to capillaries. Weegy: Arteries carry oxygen-rich blood to capillaries. TRUE. User: Air is warmed and moistened as it moves through both the mouth and nasal passages. Weegy: Air is warmed and moistened as it moves through both the mouth and nasal passages. True. User: What percentage of blood is made up of plasma? A. 55% B. 40% C. 10% D. 5% Weegy: 55% of blood is made up of plasma. User: How many chambers does the heart contain? A. 3 B. 4 C. 5 D. 6 (More)