I believe the answer is A. Don't trust me though, lol.
Target heart rate is defined as the minimum number of heartbeats in a given amount of time in order to reach the level of exertion necessary for cardiovascular fitness, specific to a person's age, gender, or physical fitness.
All of them except condoms. Everything you take orally gives you hormones such as progesterone and estrogen to fool your body into thinking you’re pregnant so you won’t produce an egg that month. Other methods such as the ring and patch do the same, just not through direct ingestion.
<span>Body Temperature Regulation
</span><span>Disease Protection and Healing
</span>Carbon dioxide and oxygen transportation
<span>Nutrient and Waste Product Transport
</span><span>Hormone Delivery
</span>
