Answer:
c. Ductus venosus, vena cava, heart, ductus arteriosus, arteries
Explanation:
The circulatory system consists of the heart and blood vessels. In a fetus, the circulation of blood is different from circulation after delivery largely due to the fact that the lungs are not in use, rather, the fetus obtains oxygen and nutrients from the mother through the placenta and the umbilical cord.
Blood from the placenta is carried to the fetus by the umbilical vein. While some of this blood enters the fetal ductus venosus and is carried to the inferior vena cava, some others enter the liver. The blood from the inferior vena cava then moves into the right atrium of the heart. The foramen ovale, an opening between the right and left atrium in the fetus directs most of the blood flow from the right into the left atrium, thereby, bypassing pulmonary circulation. Most of the blood from the right atrium flows into the left ventricle and is pumped through the aorta to the rest of the body.
Some of the blood from the right atrium however, enters into the right ventricle and is pumped into the pulmonary artery. The ductus arteriosus which is a special connection between the pulmonary artery and the aorta in a fetus, directs most of this blood away from the lungs and into the arteries.
Answer:
C. 2 and 4 are correct
Explanation:
Institutional review board protects the rights of human research.
They are involved with reviewing of all research that involves the use of humans before it is conducted and protect the welfare of the human involve and the privacy.
The member of the board must be 5 and above and it include people from different fields that are knowledgeable and will provide findings on human research. A non scientist is also involve and someone from other field.
2 and 4 is correct
Answer:
OPTION-A IS CORRECT
IT INCREASES WITH HEIGHT
Explanation:
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Both will contain the sugar ribose and the base uracil
<span>By the age of 4 the hippo campus and the frontal lobe must be developed to have good memory. The hippocampus forms the limbic system and is involved in the consolidation of memory from the short term to long term. The frontal lobe is important in forming short term memories and forming long term memories.</span>
