Study Guide: Benchmark 3: Body Systems
Standard 9.a - Know how complementary activity of major body systems provides cells with oxygen and nutrients while removing carbon dioxide and wastes.
1)	Which body system delivers nutrients from the digestive system to the cells?
2)	What organ stores energy in the form of glycogen?
3)	Where does the exchange of gases between the body and the outside world take place?
4)	What body system delivers oxygen to the circulatory system?
5)	What are ways in which carbon dioxide can be transported in the blood?
6)	What 2 systems combine to regulate oxygen levels in your body?
7)	Which system carries waste products away from cells?
Standard 9.b – Know how the nervous system mediates communication between different parts of the body and the environment
8)	What system controls your body’s responses?
9)	What is the 3 step reflex arc?
10)	What works together with the nervous system to help deliver messages to the body?
11)	Which neurons help you become aware of your surroundings?
12)	What system controls the information sent from one part of the body to another?
Standard 9.c – Know how feedback loops in the nervous and endocrine systems regulate homeostasis.
13)	Two combating hormones control sugar levels, what would be the best explanation for how this works?
14)	What kind of feedback is it when high level of a hormone inhibits the production of more of that hormone?
15)	What kind of feedback is it when a hormone causes a woman giving birth to have more contractions?
Standard 10.d – Know the differences between bacteria and viruses, with respect to growth and replication, and how the body fights these.
16)	What is a disease causing organism called?
17)	What are the body’s main (non-specific) defenses against infection?
18)	Why is it a bad idea to give antibiotics to a person with a viral infection?
19)	What do viruses need in order to replicate?
20)	How do antibiotics help cure infection?
21)	What do viruses need to grow and replicate?
22)	What is the largest organ that helps prevent infection?