During exercise there is an increase in physical activity and muscle cells respire more than they do when the body is at rest. The heart rate increases during exercise. The rate and depth of breathing increases - this makes sure that more oxygen is absorbed into the blood, and more carbon dioxide is removed from it.
Answer:
cellulose present in cell wall of dead sclerenchyma is the wood that we use in furniture in home
Homozygous means that it has the same alleles and lower case represents a recessive trait therefore the genotype for a homozygous recessive individual is: bb
Answer:
I think A, "Primary pollutants from a stationary source"
Explanation:
Got it right on exam :)
