Cells that protect the body by engulfing foreign cells or producing antibodies are D. White blood cells.
Answer:
The answer is C. An increase in competition for sunlight and space among plants
In fetal life, the lungs are not expanded, so most of the blood from the right ventricle is shunted from the pulmonary artery to the aorta through the patent ductus arteriosus. With a few breaths the lungs expand, and blood flows from right ventricle to pulmonary artery into the lungs. Withdrawal of circulating prostaglandin from the mother plus bradykinins released from the expanding lung of the infant cause the ductus to close over a few minutes to hours. The closed ductus remains as the ligamentum arteriosum.
Nerve cells because skin cells keep dividing when you loose skin. Epithelial cells also divide when you loose others.
The organelle that packages molecules for transport outside the cell is the Golgi Apparatus. The molecules are packages in transport vesicles inside the Golgi Apparatus.
The solution is C.
