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Answer Key Review sheet for Quiz on Sections 1-1 and 1-2
1. What is the difference between an observation and a conclusion?
An observation is a description of something and a conclusion is the explanation for it. (What vs why)
2. Pretend that you are at the beach. Write an observation and a conclusion about the beach.
Obs: I see waves crashing and feel sand under my feet.
Concl: I must be at the beach.
3. What is homeostasis?
-the maintenance of a stable internal environment
4. What is an example of homeostasis?
-Our body’s ability to regulate temperature, waste, water level, etc (stay balanced)
5. Put the following words in order from smallest to largest: organ, cell, organ system, tissue.
Cell → Tissue → Organ → Organ system
6. What are the 4 types of tissue found in the body?
-muscle tissue
-epithelial tissue
-connective tissue
-nervous tissue
7. What are the 3 parts of the skeletal system?
Bones, cartilage, connective tissue (ligaments, tendons, etc)
8. What are the 4 functions/ jobs of bones?
-protection
-storage of fat and minerals
-movement
-blood cell formation
9. Name the three types of joints and say where each can be found in the body.
Ball and socket (hip, shoulder) hinge (elbow, knee)
gliding (wrist, hands)
10. What is a difference between spongy and compact bone?
Spongy bone has spaces and compact does not
11. Where is cartilage found in the body?
Cartilage is found on the ends of bones, joints, and areas such as our nose, ears, etc
12. Name three diseases/ injuries of the skeletal system.
-
-
fracture (broken bone)
osteoporosis (bone weakening)
carpal tunnel syndrome (bones and joints)
arthritis (joints)
-
sprain (connective tissue)
scoliosis (bone)
skull
clavicle
rib cage
humerus
vertebral column/ spine
pelvic girdle/ pelvis
radius
ulna
femur
patella
fibula
tibia
Fill in the parts of the chart that are missing.
Organ System
Functions
Organs/ parts
Urinary system
Removes wastes/ regulates fluid
Kidneys, bladder, ureters…
Cardiovascular/ circulatory system
Pump blood
Heart and blood vessels
Integumentary system
Protection
Hair, skin, nails
Digestive system
Breaks down food/ absorbs
nutrients
Mouth, esophagus, stomach, lg and
sm intestines, liver, gall bladder…
Nervous system
Send electrical signals/ messages
throughout the body
Nerves and brain
Respiratory system
Bring in oxygen and release carbon
dioxide
Lungs, trachea, bronchi…
Muscular system
Movement
Biceps, triceps, abs, hamstrings,
Quadriceps…
Skeletal system
Support, protect, blood cell
formation, storage, movement
Femur, skull…
Lymphatic system
Removes germs/ pathogens and
returns fluid to the blood
Spleen, lymph nodes, thymus