Download 1 - Moore Public Schools

Name __________________________________________________Date ________ Hour______ Table___
Answer Key
1. List the name and function of each
lettered part of the diagram pictured
above.
Letter
A
Name of Part
Esophagus
Function of Part
A muscular canal running from the pharynx
to the stomach.
B
Stomach
Sac-like structure where food is stored.
C
Pancreas
Produces insulin and glucagon to control the
body’s blood sugar.
D
Rectum
The last portion of the large intestine used
for storage of stool ready for disposal.
E
Small
intestines
Location where digestion is completed.
Nutrients are removed from food and are
absorbed into the blood stream.
F
Large
intestines
Passes the remaining nutrients to the blood
and store and eliminates waste leftovers.
G
Liver
Secretes bile that is passed along to the gall
bladder.
2. Starting with the mouth, list the order of the organs that food passes through as it is being digested.
Mouth, esophagus, stomach, small intestines, large intestines, rectum
3. What is digestion? The process of breaking down food into usable materials
4. What are the six main types of substances needed by the body for growth, repair, maintenance, and
energy? Proteins, carbohydrates, fats, vitamins, minerals, and water
1.
What is an example of mechanical digestion inside the mouth? Teeth grinding a cracker (chewing)
6. Food moves through the digestive tract because of muscular contractions called ________.
a. enzymes
b. saliva
c. bolus
d. peristalsis
7. How are the villi of the small intestine important to the digestive system? They increase the surface area
for absorption of nutrients
Name __________________________________________________Date ________ Hour______ Table___
Answer Key
On the respiratory system diagram, label the parts. In the data table, record the function of the numbered part.
Number
of Part
Function of Part
1
Nasal Cavity – warms and filters air
2
Mouth – warms air
3
Larynx – voice box
4
Right lung – holds air
5
Right Bronchi – directs air to the right lung
6
Diaphragm – contracts and relaxes for inhaling
and exhaling
7
Pharynx – warms air
8
Trachea – breathing tube
9
Left Bronchi – directs air to the left lung
10
Bronchioles – carries air to the alveoli
11
Alveoli – site of gas exchange
Respiratory system:
Explain the role of the diaphragm in the process of breathing by filling in the blanks below.
contracting
inside
As the diaphragm moves down it is _________________. The pressure _____________ the
lower
outside
chest is _______________ than ______________ the body and air moves towards the
lower
relaxing
_____________ pressure inside the chest. As the diaphragm moves up it is ________________.
pressure
higher
The ________________ inside the chest is ________________ than the pressure outside the
body
out
__________. The air inside the chest moves ______________ of the chest toward the lower pressure
outside the body.
relaxing
out
pressure
contracting
higher
inside
body
lower
outside
lower
Name __________________________________________________Date ________ Hour______ Table___
Answer Key
Circulatory System:
1. In the data table, label the name and function of each numbered part
2.
#
Name of Part
1
Aorta
2
Pulmonary Artery
3
Left atrium
4
Left ventricle
5
Septum
13
6
12
11
Which valve is not labeled?
Function of Part
Carries oxygen rich blood to the
body
carries low oxygen blood to the
lungs
receives oxygen rich blood from the
lungs
pumps oxygen rich blood to the
body through the aorta
keeps the oxygen rich and low
oxygen rich blood from mixing
carries low oxygen blood from the
lower body to the right atrium
pumps low oxygen blood to the
lungs
receives low oxygen blood from the
body
Inferior Vena
Cava
7
Right Ventricle
8
Right atrium
9
Pulmonary valve
keeps blood from flowing backwards into the right
ventricle and towards the pulmonary arteries
10
Superior Vena
Cava
brings low oxygen blood from the
upper body to the right atrium
11
Tricuspid valve
keeps blood from flowing backwards towards the
right atrium and towards the right ventricle
12
Mitral valve
keeps blood from flowing backwards into the left
atrium and towards the left ventricle
13
Pulmonary vein
carries oxygen rich blood back to the
heart from the lungs
14
Aortic valve
keeps blood from flowing backwards into the left
ventricle and towards the body through the aorta
2. Starting with the vena cava, list the order of the parts of the body that blood flows through. Vena Cava
(Superior and Inferior) – right atrium – tricuspid valve – right ventricle – pulmonary valve – pulmonary artery
– lungs – pulmonary veins – left atrium – mitral (bicuspid) valve – left ventricle – aortic valve – aorta – body
3. Describe what happens to the blood pressure in the blood vessels as the blood flows through the body.
Decreases as you get further away from the heart.
A
Blood Vessels
4. Label each of the three types
of blood vessels above. Be able
to describe the structure of
each.
A. Veins – carry blood to the
heart
B. Arteries – carry blood away
from the heart
C. capillaries
B
5. List the components and purpose for
each of the components of the blood.
A. Platelets – help clot blood
Blood
Components
B. Plasma – fluid that contains proteins,
glucose, gases, and hormones
C. White Blood Cells – fight infections
D. Red Blood Cells – transport oxygen to
cells
D
C
Name __________________________________________________Date ________ Hour______ Table___
Answer Key
1. How do organs E and F compare in size?
A.
B.
C.
D.
They are both the same size in diameter and length.
Letter E is shorter and larger in diameter than letter F.
F, is shorter and larger in diameter than letter E.
Letter F is longer and larger in diameter than letter E.
2. Blood can flow freely through arteries because
A.
B.
C.
D.
arteries are lined with smooth muscle.
arteries are lined with a layer of smooth epithelial cells.
connective tissue pushes blood through arteries.
arteries have only one layer of cells.
3. Blood leaving Letter A is headed for
A.
B.
C.
D.
the lungs
the vena cava
the body
the right atrium
4. Which letter indicates the first stop for deoxygenated blood going to get more oxygen?
A.
B.
C.
D.
A
B
G
F
Name __________________________________________________Date ________ Hour______ Table___
Answer Key
5. Look at the diagram of the respiratory system.
The function of number 11 is to
A. contract and relax changing the amount
of space in the chest.
B. warm, moisten, and clean the air.
C. prevent food from traveling into
the windpipe.
D. help exchange carbon dioxide for
oxygen in the lungs.
6. Which part of the respiratory system divides
into smaller and smaller tubes in a pattern that
resembles the branches of a tree?
A.
B.
C.
D.
pharynx
trachea
bronchi
epiglottis