New Al Rayyan Independent School for Boys
Work Sheet 10(answer)
Biology department/Second semester (2009-2010)
File name /
Subject
B
I
Grade
O
G
1
Unit
0
U
0
WS Number
5
W
S
1
Year
0
2
0
1
0
Date: 16- 20 / 5 /2010
Student Name:
( Heart structure and function)
Lesson title
Human transport system
By the end of the
lesson, most students
Students who
progress further:
Know how the heartbeat is initiated and maintained
10 /1-8
Grade
Objectives
.
Activity 1
1-Complete the following statements
1- Blood vascular system can also be called …closed circulatory…. system
2- Closed circulatory system consists of ……the heart and blood vessels
2- Who is he?
1- It is a hollow muscular organ.
( the heart
)
2- Lies nearly in the middle of the chest
( the heart
)
.
3- Enclosed in the pericardium (protects it and facilitates its action) (the heart
)
3- Give reasons for:.
1- Pulmonary artery and veins are up-normal :because pulmonary artery carry deoxygenated blood
2- Left ventricle is thicker than right ventricle :because left ventricle pumps the blood for a long distance
4- Put T in front of the true statement and F in front of the false one, then correct it:
1- Respiration in humans is represented by Blood vascular system (circulatory system) :(F) circulation
2- Heart is a hollow muscular organ.
T
3- Heart Lies nearly in the middle of the chest
T
4- Aorta is enclosed in the pericardium (protects it and facilitates its action) F (the heart)
5-
Page 1
Heart consists of 6 chambers
F (4)
/ ‫توقيع ولي األمر‬