I would say it is most likely skills or information. It can be broadly interpreted in it's contest. It mostly likely co-insides with your required reading terms. I encourage you to use your best judgement.
Answer:
B) Valves closing
Explanation:
A healthy heart makes a lub-dub sound with each beat. This sound comes from the valves shutting on the blood inside the heart. The first sound (the lub) happens when the mitral and tricuspid valves close.
Adult alcohol use is not as bad as it is for kids/teens. The adults are ammune to the drink {by now} and the teens are *just* getting used to the drink. It may affect the teens more than It'll affect the adults.
Answer:
for an example you could have walked to improve your cardio
Explanation:
going on dayily morning runs can improve your cardio and give you a stronger heartbeat. a stronger heartbeat May prevent you from certain diseases .
