Organ Systems

Question 1

integumentary system

Answer 1

skin system - functions:

• protects deep tissues from injury, internal organs from temp changes
• produces vitamin d
• contains pain & pressure receptors
• contains sweat & oil glands

Question 2

layers of skin

Answer 2

1. epidermic (outer - mostly adipocyte fat cells)
2. dermis (middle)
3. hypodermis (inner)

Question 3

skeletal system

Answer 3

functions:

• framework for muscular system/where muscles attach
• protects & supports bodily organs
• houses red blood cells, stores minerals

Question 4

muscular system

Answer 4

functions:

• allows for body mvmt
• allows us to perform all daily activities

Question 5

types of muscular tissue

Answer 5

cardiac
skeletal
smooth

Question 6

nervous system

Answer 6

brain, spinal cord, nerves

functions:

• internal communication btwn body’s cells (via electrical impulses)
• allows body to respond to internal & external environment

Question 7

digestive system

Answer 7

functions:

• breaks food down into small molecules
• absorbs those molecules into blood stream as nutrients

Question 8

endocrine system

Answer 8

glands (mainly thyroid, adrenal glands in brain)
functions:
-make hormones that regulate reproduction and metabolism
-ATP production from glucose molecules

Question 9

metabolism

Answer 9

chemical reactions that enable bodily function

1. catabolism (breakdown of complex structures into simple ones)
2. anabolism (synthesis of complex structures from simple ones)
3. cellular respiration (ATP production)

Question 10

cardiovascular system

Answer 10

heart, blood vessels, blood

functions:

• moves oxygen & nutrients throughout body
• arteries = delivery, veins = removal

Question 11

lymphatic system

Answer 11

network of vessels and nodes throughout the body

functions:
- immunity, fighting off disease
- drains excess fluid back to the heart

Question 12

respiratory system

Answer 12

functions:

• keeps blood supplied w/oxygen
• removes waste CO2 (byproduct of metabolism)

Question 13

urinary system

Answer 13

functions:
- excretion of waste from body
- regulates bloods water & electrolyte balance
- helps move nutrients & waste thru body

Question 14

reproductive systems (male & female)

Answer 14

controlled by hormones from endocrine system

functions:

• creates new life via cellular reproduction
• male sperm cell + oocyte (egg) –> baby

Question 15

types of tissue (4)

Answer 15

1. epithelium (body surface, lines body cavities)
2. muscle (enables mvmt)
3. connective (supports/protects organs, example = bone)
4. nervous (responsible for communication via electrical impulse)