The answer is HIV. Hiv or human immunodeficiency is a virus that can weaken the body's immune system. Infection with HIV causes a life-threatening illness called AIDS also as immunodeficiency syndrome.
Answer:
Option 3 is correct. The local websites of the new community will provide Katie with a better overview of all of her options.
Answer:
D) four.
Explanation:
The two atria hold the blood that circulates away from the heart. The heart has four one-way valves, which open and close with each heartbeat. The tricuspid valve and the mitral valve are located between the atria and allow the blood to flow from the atria to the ventricles. Also you don't have to but mind marking Brainliest?
Answer:
I think it is A cardiovascular exercise because it reduces blood pressure through a reduction of vascular resistance
Answer:
I'm thinking it's caused by blood clotting up
Explanation: