Unprotected sex, dirty needles and occasionally through blood transfusions are the majors talked about.
Cardiorespiratory endurance is the ability of the heart, blood, blood vessels and lungs to supply enough oxygen and necessary fuel to the muscles during long periods of physical activity.
Answer: A) Heart and lungs
Explanation:
The heart becomes more efficient with every beat as it pumps oxygen-carrying blood, the lungs more effective in taking in oxygen, and the muscles more equipped to use more oxygen.
Answer:
Oof nvm, its called at fetus....
Explanation:
That is just a guess im sorry if i got it wrong but it seems like the best answer.
Answer:
Loss of muscular coordination
Explanation:
