B is right
chufffggbbvggghhhhhhhhhhh
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.
Answer:
acetyl-CoA concentration increases
acetone concentration increases
oxaloacetate concentration decreases
Explanation:
Mark me brainly please
Answer:
Basophils
Explanation:
These small cells seem to sound an alarm when infectious agents invade your blood. They secrete chemicals such as histamine, a marker of allergic disease, that help control the body's immune response.
Hope it helps
All viruses have a capsid or head region that contains its genetic material. The capsid is made of proteins and glycoproteins.