The significance in thickness between the two is due to the different amount of pressure exerted on the walls of the heart. The left ventricle has a thicker wall because the blood must be pumped throughout the entire body (oxygenated blood), unlike the right ventricle, where blood is pumped simply to the lungs to be oxygenated (pulmonary system).
She should try to get a day off so she can let her muscles relax and have time to rebuild new muscle. Remember that muscle grows slowly so within 24 hours muscle starts to grow thus she should rest for at least 1 or 2 days so she doesn't exhaust her body.
SIDS means sudden infant death syndrome. This is the unknown cause of infants under the age of 12 months old dying suddenly in their sleep.
Answer:
Dark-green is the only real subgroup of vegetables from these choices.
D. Securities and exchange commission