Suggest one reason why mango trees do not grow well in the soil which is hard and tightly compacted.

i think its white blood cells

i hope this

blood enters the heart through two large veins, the inferior and superior vena cava, emptying oxygen-poor blood from the body into the right atrium of the heart. as the ventricle contracts, blood leaves the heart through the pulmonic valve, into the pulmonary artery and to the lungs where it is oxygenated.