Which System?
the heart, blood vessels
What is the cardiovascular system?
The circular muscle around the eye.
What is the orbicularis oculi?
The organs of the Central Nervous System.
What is the brain and the spinal cord?
First entryway of air into the body
What is the nose?
The pulmonary vein enters this part of the heart
What is the left atrium?
Tonsils, Peyer's patches
What is the lymphatic system?
Striated, voluntary
What is skeletal muscle?
The three parts of a neuron.
What is the dendrites, cell body, axon.
Structure directly involved in gas exchange
What are alveoli?
The number of chambers in the heart
What is four chambers?
Smooth, cardiac, skeletal
What is the muscular system?
A dome shaped muscle that forms a partition between the thorax and the abdomen.
What is the diaphragm?
The middle layer of the meninges.
What is the arachnoid layer?
Process that allows gas exchange within lungs
What is simple diffusion?
The pacemaker of the heart
What is the SA node?
Pancreas, liver, gallbladder
What is the digestive system?
The functional unit of a muscle cell which contracts when stimulated
What is the sarcomere?
The largest and most obvious portion of the brain, it is divided by the longitudinal fissure into 2 hemispheres.
What is the cerebrum?
Warms, humidifies, cleans air
What is the nasal cavity?
Carries blood away from the heart
What are arteries?
Thymus, thyroid, adrenal
What is the endocrine system?
Theory of muscular contraction
What is the sliding filament theory?
The region of the brain which consists of the midbrain, pons and the medulla oblongata.
What is the brain stem.
Reinforced by hyaline cartilage
What is the trachea?
The vessel in the body with the LOWEST pressure
What is the vena cava?