4. Which system helps keep you healthy by carrying white blood cells throughout the body which trigger immune responses when needed?
O A. Digestive system
B. Endocrine system
C. Respiratory system
D. Lymphatic system
5. True or False: The excretory system is responsible for inhaling and exhaling,

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.

In what layer of the sun is energy transfers between atoms

Name the part of the the brain labeled "e".