When groups of cells work together on a similar job, they are called _______.
Tissues
The _______ ______ refers to all the parts that cover the body, including hair, nails, and skin.
integumentary system
What is responsible for the flexibility of the body's motion?
Muscular system
The nervous system uses _______ to transmit information to the brain and within the brain.
Neurons
The spinal cord is protected by _________.
Vertebrae
The kidneys, the heart, the liver, and the intestines are examples of ______.
Organs
__________ is a disease that causes irritation to the skin.
Dermatitis
The connective tissue that attach muscle to bone are called _______.
Tendons
What communicates electrical signals from the body of one neuron to the body of another?
Axons
________ vertebrae control the head, neck, arms, and hands, while the ________ vertebrae control the chest, heart, lungs, liver, and abs.
Cervical, Thoracic
What are organs in the body that secrete chemicals?
Glands
The three layers of skin are called the _________, the ______, and the __________.
Epidermis, Dermis, Hypodermis
The _________ helps to cushion bones under pressure, and connective tissues called _________ are needed to hold the joint in place and bones together.
Cartilage, Ligaments
Together, the brain and the spinal cord make up the _______ _______ ______.
Central Nervous System
What are the three bottom regions of the vertebrae?
Lumbar, Sacral, and Coccygeal
__________ is the tendency of the body to remain in an "equal state," or __________.
Homeostasis, Equilibrium
The middle skin layer contains two layers: _________ and _________.
Papillary, Reticular
Humans have ___ bones and are separated by flexible connections called ______.
206, Joints
What is the largest and most developed area of the brain?
Cerebrum
The _________ ______ controls the body's metabolism, growth, water content, body temp, blood pressure, and reproduction.
Endocrine System
Anything in an environment that causes a reaction is called a ________.
Stimulus
Hair grows from a small cavity in the dermis called a ________.
Follicle
What four main parts are bone made of?
The Periosteum, the Compact bone, The Spongy bone, Bone Marrow
What part of the brain receives information from sensory organs?
Cerebellum
The ______ secretes ____________ for males, and the _______ secretes ________ for females.
Testes = Testosterone, Ovaries = Estrogen