The outer layer of skin.
What is the Epidermis?
This forms the basic shape of the head and protects the brain.
What is the skull (or cranium)?
This muscle contracts spontaneously and continuously.
What is cardiac muscle?
A basic unit of the nervous system that carries electrical signals or impulses. A nerve cell.
What is a neuron?
A hormone making gland.
What is the endocrine gland?
Maintaining body temperature and providing a waterproof and germproof barrier is its job
What is the skin?
The number of bones in the average adult human skeleton.
What is 200?
This muscle is found in the walls of hollow organs.
What is smooth muscle?
This controls the entire nervous system.
What is the brain?
A chemical that helps control the levels of substances in the body.
What is a hormone?
The plate, the bed, and the matrix.
What are the three parts of a nail?
A tough flexible tissue that cushions joints and makes up certain body parts.
What is cartilage?
Muscles that can be consciously controlled, like the arm.
What are voluntary muscles?
This relays information from the brain to the rest of the body.
What is the spinal cord?
This organ links the nervous system and the endocrine system.
What is the hypothalamus?
The thick lower layer of skin beneath the epidermis
What is the dermis?
The part of the skeleton made up of the skull, backbone, and rib cage
What is the axial skeleton?
Long rod shaped cells which make up muscle tissue
What are myfibrils?
Neurons that pass instructions from the central nervous system to the body.
This gland releases corticosteroids and adrenaline.
What is the adrenal gland?
The protective waterproof outer layer of epidermis of an animal
What is the cuticle?
The part of the skeleton made up of the bones in the shoulders, arms, pelvis and legs.
After receiving a message from the brain, filaments slide past each other and cause the fiber to get shorter.
What is a muscle contraction?
Neurons that end in sensitive receptors carry information to the central nervous system.
What is a sensory neuron?
This gland controls the activities of the other endocrine glands.
What is the pituitary gland?