Science Unit Exam Review:
Test date is Tuesday 12/16/12
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.
13.
14.
15.
16.
17.
18.
19.
20.
21.
22.
23.
24.
25.
26.
27.
What is a neuron?
Which part of the neuron receives electrical impulses and passed them on to the cell body?
Which part of the neuron carries the electrical impulses away from the cell body?
Which kind of neuron carries electrical messages from the sensory nerve endings to the brain?
Which kind of neuron carries electrical messages from the brain to the muscles?
How does a reflex work?
What are the parts of the central and peripheral nervous systems?
What are the three parts of the brain and what are their primary functions?
What is the path that food takes as it goes through the digestive system? Mouth to Anus.
Name four auxiliary organs (food does not go through) that are important in the digestive
process. What part do they play in digestion?
What is the difference between mechanical and chemical digestion? Where do each type of
digestion processes take place in the body.
What two things happen to food in the small intestines?
What happens to the undigested material in the large intestines?
How do the eyes and nose play a part in the digestion process?
What are the four chambers of the heart and what is their function?
What is the difference between arteries, capillaries, and veins?
What is the “pacemaker”?
What are hypertension, atherosclerosis, and stroke?
In which type of blood vessels does the blood do its work? What work is done?
What is the function of red blood cells and white blood cells?
What type of muscle is the heart?
What is the function of the glands of the endocrine system?
Which two glands work together to communicate information from the brain to the other
endocrine glands?
What is lymph?
What is the function of the lymphatic system?
What is the function of the excretory system?
What are the main organs of the excretory system?
What systems work together to accomplish the following functions?
28.
29.
30.
31.
32.
Flow of blood in the human body.
Waste and water are removed from the blood.
Kicking a ball.
Speed of digestion.
Rate of breathing and rate of heat beats.