Answer:
Pulmonary circulation refers to the circulation of blood in which deoxygenated blood is pumped from the heart to the lungs and oxygenated blood is returned to back to the heart. Pulmonary circulation only occurs between the heart and the lungs.
Systemic circulation refers to the circulation of blood in which oxygenated blood is pumped from the heart to the body and deoxygenated blood is returned back to the heart. Systemic circulation occurs between the heart and the entire body
Explanation:
Y.w
It is the first choice, since that (P) is dominant to (p) so yeah Pp will be inflated
The answer is passive transport. This type of transport requires no energy.
Hope that helped you.
Answer:
The correct answer is producers.
Explanation:
Producers are the organism which can produce their own food by photosynthesis by utilizing water and atmospheric carbon dioxide in presence of sunlight to form glucose molecules.
Producer are placed in the first tropic level of energy pyramid of an ecosystem.
For example grasses act as producers in the grassland ecosystem.