Circulatory System

Name: ______________________   Date: ____________

Write the missing letters on the lines to finish each word.

1.
e t r l
A chamber of the heart that receives blood from an atrium and pumps it to the arteries
2.
p n r y
Relating to or affecting the lungs
3.
r o e
The act of swinging or striking at a ball with a club or racket or bat or cue or hand
4.
t r u
Any chamber that is connected to other chambers or passageways
5.
t m i c
6.
s y l i
7.
v v e
A structure in a hollow organ with a flap to insure one-way flow of fluid through it (plural)
8.
n e l t i k
9.
i s t l
10.
v e
A blood vessel that carries blood from the capillaries toward the heart
11.
p u l a
12.
c h m s
An enclosed volume in the body (plural)
13.
a t y
A blood vessel that carries blood from the heart to the body
14.
e r t t k
A sudden severe instance of abnormal ___ function
15.
a t
The large trunk artery that carries blood from the left ventricle of the heart to branch arteries
16.
o o p s u e
17.
a p l a r
Any of the minute blood vessels connecting arterioles with venules (plural)
18.
l e t e l
An animal sterol that is normally synthesized by the liver
19.
v n c v
Either of two large veins that return oxygen-depleted blood to the right atrium of the heart
20.
p c m r
A specialized bit of heart tissue that controls the heartbeat