How do the lymph and immune systems depend on the cardiovascular system? A. The cardiovascular system pumps lymph fluid through blood vessels.
B. Nerve impulses from the brain are carried to the lymph nodes by blood.
C. White blood cells from the lymph and immune systems travel through blood vessels.
D. The lymph and immune systems do not interact with the cardiovascular system.

4.06 hc)a five-year review of threats to the southern resident orca population of the united states concluded that the top threats were prey availability, contaminants, and effects from recreational and whale watching vessels. further down the list are oil spills, disease, and effects from commercial vessels not targeting whales. how might this list be different if it were for transient whale populations, which have a larger average population size and live farther offshore in open waters? a)the transient population is more likely to be affected by contaminants. b)the transient population is less likely to be affected by whale watching vessels. c)the transient population is more likely to be affected by disease. d)the transient population is less likely to be affected by prey availability.

What was the land like over 500 million years ago? what was under the sea?

Which statement describes compounds a. compounds are made of one type of atom. b. compounds cannot be represented by models. c. compounds are represented by chemical formulas. d. compounds cannot be broken down into simpler forms.