Answer:
The earliest known case of infection with HIV-1 in a human was detected in a blood sample collected in 1959 from a man in Kinshasa, Democratic Republic of the Congo. (How he became infected is not known.)
Explanation:
Google
Answer: eustress
Explanation:
kind of stress associated with positive feelings, optimal health, and performance. A moderate amount of stress can be beneficial in challenging situations.
No, I'm pretty sure that the acid that is excreted after you exercise is the cause of muscle soreness, it's called: lactic acid (<span>accumulation). So I would say False. But the muscles tear to create muscle mass so I am torn between True and False, sorry...</span>
Oxygen and carbon dioxide are the gases transported by the red blood cells. Oxygen is collected from the air in the alveoli to the blood capillaries. It binds to the heme group in <span>the haemoglobin<span>, which confers the red colour to the red blood cells where it is contained. </span></span>Carbon dioxide moves the other way around, from capillaries to alveoli. They are transported by the red blood cells when oxygen is exchanged by carbon dioxide from the cells' metabolism.
