C)
Nervous system and circulatory system .
Answer:
C. Acquiring HPV
Explanation:
Human papillomavirus (HPV) is the most common sexually transmitted infection (STI).
Many people with HPV don't develop any symptoms but can still infect others through sexual contact. Symptoms may include warts on the genitals or surrounding skin.
There's no cure for the virus and warts may go away on their own. Treatment focuses on removing the warts. A vaccine that prevents the HPV strains most likely to cause genital warts and cervical cancer is recommended for boys and girls.
63% is all I could find but I hope this helps even though I couldn't find the exact number.
It all depend of ehat type of exercise you are doing, if it is a rough; hard workout you may have heavy breathing, or light;easy you breathing will not be as rough. It also depend on how yoy can control your breath.
