The thyroid gland is responsible for making what type of chemical secretion?

These cells of the structure at the arrow are responsible for secreting insulin and glucagon.These chemicals are known as ______________________________.

  Name body region/landmark labeled “A”.  

After age 50 years, both the number of and diameter of muscle fibers decrease in the average older adult.

After age 50 years, both the number of and diameter of muscle fibers decrease in the average older adult.

Which is an example of an extrinsic factor that can affect growth?

Which is an example of an extrinsic factor that can affect growth?

Prenatally, adipose tissue increases rapidly in the last 2 months before birth so that at birth adipose tissue is about 40% of the newborn’s weight.

Relative to genetic factors, extrinsic (external) factors play a(n) ____________ role as one moves from conception to older adulthood.

Relative to genetic factors, extrinsic (external) factors play a(n) ____________ role as one moves from conception to older adulthood.