How can the government of a nation invest in physical capital?
a. by building highways, railways, and airports
b. by introducing mandatory physical training in schools
c. by providing power and internet connections
d. by importing or developing innovative technologies
e. by supplying nutritious food to low-income families

A. by building highways, railways, and airports

C.by providing power and Internet connections

D.by importing or developing innovative technologies

tissue

explanation:

it is actually formed by geoup of cells which is tissue

the oxygenated blood then leaves the lungs through pulmonary veins, which return it to the left heart, completing the pulmonary cycle. this blood then enters the left atrium, which pumps it through the mitral valve into the left ventricle. from the left ventricle, the blood passes through the aortic valve to the aorta.

deoxygenated blood leaves through the right ventricle through the pulmonary artery. from the right atrium, the blood is pumped through the tricuspid valve (or right atrioventricular valve), into the right ventricle.