|
|
5
|
immune cells that destroy invaders
|
6
|
the smallest blood vessels
|
7
|
a measure of force of the blood pushing against the walls of the arteries
|
9
|
carries blood away from the heart
|
10
|
carry oxygen to cells
|
11
|
leads to the lungs
|
12
|
glands in the skin that produce sweat
|
15
|
a chemical that regulates body function
|
|
|
|
|
1
|
a gland that produce insulin
|
2
|
a flap of tissue
|
3
|
a circulating connective tissue
|
4
|
the body system that circulates blood
|
8
|
the fluid part of the blood
|
13
|
tiny sac like structure
|
14
|
carries blood to the heart
|
|
|