It’s the transport vesicles
Answer:
It is classified as an addictive drug.
Explanation:
Nicotine is an addictive substance.
Answer: d
The respiratory and circulatory systems bring oxygen and nutrients to the cells. The respiratory and circulatory systems work together to maintain homeostasis. The respiratory system moves gases into and out of the blood. The lungs contain the bronchi, bronchioles, and alveoli.
Explanation:
Answer:
heath condition, eating habits, body temperature, and gender can also affect a heart rate.