Organs I guess.
(Sorry if Im not helping)
The correct answer is the left atrium receives the newly oxygenated blood.
1 - inhale for 3 seconds, hold breath for 4 seconds, and breath out for 7 seconds.
2 - find a stable aspect of your life and focus on it in moments you think a panic attack is going to happen or is happening
3 - step out of the situation on hand
The Sickle Cell Disease Association of America
Are there any options for that question?