A. Circulatory-Muscular System
B. Skeletal-Muscular System
C. Digestive-Cirulatory System
D. Skeletal-Cirulatory System
E. Circulatory-Respiratory System
F. Nervous-Circulatory System
G. Excretory-Circulatory System
H. Integumentary-Excretory System
I. Nervous-Muscular System
J. Nervous-Respiratory System
1. The heart pump oxygenated blood
from the lungs to the body and
deoxygenated blood out of the body in a
continuous, coordinated cycle
2. The villi contains cells that produce
digestive enzymes that chemically
break down the nutrients for the
absorption and mix with blood.
3. The kidney removes waste products
in the blood and excretes the waste in
the form of urine.
4. The brain tells the stomach,
intestines, and liver when to be active
and when to rest. Messages to and
from the brain decide when it’s time to
process food.
5. Blood cells are produced in the bone
marrow.
6. These two systems provide a
framework and support movement.
7. Nerves send messages to muscles to
tell them how and where to move.
Nerves check up on the body’s need for
oxygen in the muscles and adjust
breathing rate and heart rate as
needed.
8. Sweat glands help in the excretion of
wastes by releasing the excess water
and salt produced by the body.
9. The brain checks up on the amount
of carbon dioxide in the blood and
adjusts the rate of breathing. The
brain communicates with lungs using
nerves from the brain to lungs.
10. Blood vessels carry nutrients and
oxygen to the muscle cells that need
them. Blood vessels take away carbon
dioxide and waste from muscle cells.
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Answer:
1.f
2.i
3.g
4.j
5.c
6.d
7.h
8.a
9.e
10.b