It tends to happen in capillaries
for example in the lungs avioli are coverd in capilarries so to facilitate the diffusion (exchange) of oxygen in to the blood stream and carbon dioxide out of the blood stream
Answer:
Option D........... ....:)
Answer:
1. Restriction enzymes cut DNA at specific sites in DNA sequences.
Explanation:
Both photo synthesis and cellular respiration produce energy for a plant to survive and thrive.