Transport & Defense
This is the body's ability to keep internal conditions stable.
Homeostasis
This type of bone is dense and gives bones strength.
Compact bone
This is the process by which organisms produce offspring.
Reproduction
Pulling your hand away from a hot stove is an example of this.
A reflex
This system works with the nervous system to help the body move.
Skeletal system
These substances in food give the body energy and materials for growth and repair.
Nutrients
This lighter bone tissue has many small spaces.
spongy bone
This is a reproductive cell.
Gamete
These cells carry messages through the nervous system.
neurons
When you accidentally touch something hot and pull your hand away quickly, your body is showing this type of response.
reflex action
This type of white blood cell helps fight infections.
Lymphocyte
This nerve cell sends messages through the body.
Neuron
This is the male reproductive cell.
sperm
This process occurs when sperm and egg join.
fertilization
This type of rock-like structure in the body protects important organs like the brain and heart.
bones
This is the body's ability to resist disease.
Immunity
A quick automatic response to a stimulus.
reflex
This is the female reproductive cell.
ovum
Bones support the body and allow it to do this.
Move/movement
The brain, spinal cord, and nerves all work together to form this system.
nervous system
A group of organs working together to perform a specific function.
Organ System
This chemical messenger travels through the bloodstream to control body activities.
Hormone
The cell formed when a sperm and ovum join.
zygote
This system sends signals through neurons to control body activities.
Nervous system
This system sends signals that tell muscles and bones when to move.
nervous system