SystemsPlease take notes on page 75 or add to your notes from the

presentations!

The 6 Necessary Functions of Life

1. Maintain Boundaries2. Move3. Respond4. Digest Nutrients5. Eliminate Wastes6. Respiration

Nervous System in Human

• Function- Controls and coordinates

functions throughout our body- Enables us to respond to changes

around us

• Main Structures:- Brain, spinal cord and nerves

found throughout our body

• What characteristic(s) of life is this system in charge of?

– Response– Development

Nervous System

Cerebrum

Corpus callosum

Cerebellum

Thalamus

Hypothalamus

Midbrain

Pons

Medulla oblongata

Spinal cord

Digestive System

• Function‒Process in which large,

insoluble food substances are broken down into smaller, soluble food substances for absorption into blood

• Main Structures‒Stomach, liver, intestines

• What characteristic(s) of life is this system in charge of?

‒ Metabolism

Digestive System

Villi

Mouth

Liver

Pharynx

StomachLarge Intestine

Small Intestine

Oesophagus

Circulatory System

• Functions‒Transports nutrients,

gases, water and hormones to different parts of the body

•Main structures‒Heart, arteries, veins

• What important gas does this system deliver to cells?

‒ Oxygen

• What characteristic(s) of life is this system in charge of?

– Metabolism

Blood Circulatory System

Respiratory System

• Respiration‒ Process in which cells release

energy from the food we eat‒ Oxygen is required‒ Carbon dioxide is removed

•Main Structures‒ Lungs, trachea, pharynx

• What characteristic(s) of life is this system in charge of?

– Metabolism

Respiratory System

Nasal Passage

Pharynx

Trachea

Bronchus

Larynx

Bronchioles

Alveoli

Skeletal System and Muscle Systems

• Functions:‒ Supports our body‒ Gives us shape‒ Protects our organs‒ Enables movement

• What type of cell is made in bone marrow?

‒ Red Blood Cells

Skeletal System

Muscular System

DeltoidPectoralis major Biceps brachi

Gluteus maximus

Rectus femoris

Gastrocnemius