This is the largest organ of the body.
Skin!
What is the main function of the muscular system?
To produce movement
These are the hard structures that make up the skeleton.
Bones
What is the role of the nervous system in the body
to gather and respond to information
What system uses hormones to control growth and metabolism?
The endocrine system
What system includes the skin, hair, and nails
The integumentary system!
Name the 3 types of muscle
Cardiac, smooth, skeletal
What protects the heart and lungs from external factors
The rib cage
These are the cells that carry electrical signals
Neurons
These chemical messengers affect organs and tissues.
Hormones
This layer of skin is the outermost and provides protection
The epidermis
This type of muscle makes up the heart.
Cardiac
This system works closely with the skeletal system to allow movement
The muscular system
This organ controls most nervous system functions
The brain
Name the 2 structures of the reproductive system
Egg cells and sperm cells
This pigment protects the skin from UV damage.
Melanin
These muscles are controlled by choice, like moving your arm.
Voluntary
This type of joint, like the shoulder, allows movement in many directions.
Ball and socket joint
This type of response happens automatically without thinking.
A reflex
This gland helps the body respond to stress by releasing adrenaline.
The adrenal gland
Name the 3 layers of skin
Epidermis, dermis, hypodermis
Explain the relationship between the structure and function of the human skeletal system
The skeletal system provides a frame to support and protect the body and allows the body to move
This is the soft tissue in bones where blood cells are made
Bone marrow
Give an example of interdependence between the muscular system and nervous system
Seeing a ball causes your foot to kick it
Sunlight causes the pupils of your eyes to get smaller
How do the reproductive and endocrine systems work together?
The endocrine system controls the release of hormones that help the reproductive system function.