Excess carbs and fats are stored; excess proteins are not.
Excess calories are transformed as fat when in excess, which includes protein.
6. a, 7. c, 8. b , 9. e , 10. d , 11. e, 12.c
The average newborn sleep 16-18 hours in a 24 hour period.
The aorta carries oxygen rich blood away from the heart.
The pulmonary artery transports deoxygenated blood from the heart to the lungs.
The inferior vena cava carries deoxygenated blood from the lower body to the heart.
The coronary artery branches from the aorta and provide oxygen to the heart muscles.
The answer is C. Adapting to changes in the environment