Answer:With this system, blood always flows in only one direction inside the heart. There are also valves at the bottom of the large arteries that carry blood away from the heart: the aorta and the pulmonary artery. These valves keep the blood from flowing backward into the heart once it has been pumped out.
Explanation:
I’m pretty sure it’s a muscle contraction
False, you are obese if you score 30 or higher.
(Underweight: BMI is less than 18.5. Normal weight: BMI is 18.5 to 24.9. Overweight: BMI is 25 to 29.9. <u>Obese: BMI is 30+</u>)
Over reactive to induced sadness and under reactive to induced happiness.
