Chemical substances that affect the functioning of distant body systems and sometimes act as neuromodulators are known as
a. hormones
b. glands
c. ventricles
d. endocrines
Question 2
The major problem with family incidence studies that ask whether diseases run in families is that even when they find a higher prevalence of a certain illness in families with one ill proband,
a. the finding is consistent with both genetic and environmental causation.
b. they cannot determine if a single gene or multiple genes are involved.
c. they cannot determine if dominant genes or recessive genes are involved.
d. they can only study families with identical twins.
Toxic fruiting body of Amanita muscaria.
Encephalization is a function of both brain size and body size.
Relative Size of the Body’s Fluid Compartments
Dermatomes of body, posterior view
Body sites where the peripheral pulse is most easily palpated
Acoelomate body plan of a flatworm