Answer:The placenta begins to develop to provide food and oxygen.
Explanation:
I would say lung cancer. Smoking affects ur lungs the most
Answer:
The Adrenal Gland
Explanation:
The adrenal glands (also known as suprarenal glands) are endocrine glands that produce a variety of hormones including adrenaline and the steroids aldosterone and cortisol. They are found above the kidneys. Each gland has an outer cortex which produces steroid hormones and an inner medulla.
Red blood cells carry oxygen.
You may think to yourself,feel anxious,want to D I E, lots of stuff