Answer:
C
Explanation:
it builds up higher level of oxygen in the bloof
B. Animalia and Plantae, or animals and plants, are multicellular organisms.
D. in the nucleus
the process of making mRNA from DNA is called transcription, it occurs in the nucleus
The aveolus is surrounded by capillaries. So capillaries carry deoxygenated blood to the alveolus where the oxygen from the alveolus diffuses into the blood in the capillaries. The deoxygenated blood is now oxygenated and is carried out of the lung via capillaries that then merge into the pulmonary vein.
In other words, alveolus does not have oxygenated blood it just puts oxygen into the deoxygenated blood hat this brought in.
Answer:
A=Vacuole
B=chloroplasts
C= cell membrane
D= endoplasmic reticulum
E= nuclear envelope / or nucleus in general
F= The cell wall.
