Synovial fluid lubricating also line smaller sacs of

synovial fluid (lubricating)
•
Also line smaller sacs of
CT (bursa & tendon
sheaths) which cushion
structures that move
against each other

Exercise 2
Organ Systems
Overview

Organ Systems
Cell - basic unit
of all living things
Tissue – a group
of cells similar in
structure &
function
Organ – structure
of 2+ tissue types
that perform a
specific function
Organ system – a
group of organs
that perform a
specific body
function

Organ Systems
1. Integumentary (skin) –
protection, excretion,
temperature regulation, vitamin
D production
Author: Life Science Databases(LSDB) Anatomography System
From Wikimedia Commons
2. Skeletal –
bones,
cartilage, tendons, ligaments,
and joints for support,
protection, movement and
blood cell formation

Organ Systems (cont.)
3. Muscular
–
muscles
attached to skeleton contract to
produce movement & generate
heat
4. Nervous
–
includes the
brain, spinal cord, nerves &
sensory receptors for
transmission of signals and
response
Author: The Emirr
From Wikimedia Commons

Organ Systems (cont.)
5. Endocrine –
includes
pituitary, thymus, thyroid,
parathyroid, adrenal and pineal
glands, testes, ovaries and
pancreas. Produce hormones
that promote homeostasis
6. Cardiovascular –
includes
the heart, blood vessles &
blood. Transport of vital
substances

Organ Systems (cont.)
7. Lymphatic –
lymph nodes
and vessles, spleen & thymus.
Collects and returns interstitial
fluid, “filters” blood,
lymphocytes for
defense/immunity.
Author: Theresa Knott
From Wikimedia Commons
8. Respiratory –
nasal,
pharynx, larynx, trachea, bronci
& lungs for oxygenation of blood
and pH balance

Organ Systems (cont.)
9. Digestive –
mechanically &
chemically breaks down food so
it can be absorbed into blood
while waste is eliminated.
10. Urinary –
rids the body of
nitrogen-containing waste and
maintains water, electrolyte and
pH of blood.

Organ Systems (cont.)
•
Reproductive –
provides germ cells (eggs, sperm), uterus houses
the fetus, mammary glands nourish infant
female
male
From Wikimedia Commons