Anatomical Positions
Standing upright, facing forward, arms at sides, palms forward describes this position.
What is the anatomical position?
This is the basic structural and functional unit of life.
What is the cell?
This hard, dense connective tissue forms the skeleton.
What is bone?
Muscles attach to bones via these connective tissues.
What are tendons?
The main muscle responsible for breathing.
What is the diaphragm?
This organ pumps blood throughout the body.
What is the heart?
This clear fluid circulates through lymph vessels.
What is lymph?
A structure that is closer to the head is described as this directional term.
What is superior?
The jelly-like substance inside the cell that surrounds organelles.
What is cytoplasm?
The upper arm bone is called this.
What is the humerus?
The muscle type found only in the heart.
What is cardiac muscle?
The tiny air sacs in the lungs where gas exchange occurs.
What are alveoli?
The upper chambers of the heart are called these.
What are atria (singular: atrium)?
Small bean-shaped structures that filter lymph.
What are lymph nodes?
This plane divides the body into left and right halves.
What is the sagittal plane?
The organelle responsible for producing ATP energy.
What is the mitochondrion?
The vertebrae are part of this larger division of the skeleton.
What is the axial skeleton?
The biceps and triceps are examples of this type of muscle pair.
What are antagonistic muscles?
The voice box is also known as this.
What is the larynx?
These blood vessels carry blood away from the heart.
What are arteries?
These white blood cells produce antibodies.
What are B cells (or plasma cells)?
The belly button is ______ to the spine.
What is anterior (or ventral)?
DNA is primarily found in this part of the cell.
What is the nucleus?
The type of joint between the femur and hip.
What is a ball-and-socket joint?
This molecule provides the energy for muscle contraction.
What is ATP (adenosine triphosphate)?
Oxygen moves from the alveoli into the blood through this process.
What is diffusion?
The iron-containing molecule in red blood cells that carries oxygen.
What is hemoglobin?
The largest lymphatic organ, located near the stomach.
What is the spleen?
Movement of a limb toward the body’s midline is called this.
What is adduction?
The process by which water moves across a semi-permeable membrane is called this.
What is osmosis?
Bone cells responsible for breaking down bone tissue are called these.
What are osteoclasts?
The site where a motor neuron and muscle fiber meet is called this.
What is the neuromuscular junction?
The greatest volume of air that can be expelled from the lungs after taking the deepest possible breath.
What is vital capacity?
The type of cell responsible for carrying oxygen throughout the body.
What is a red blood cell (erythrocyte)?
Vaccines are responsible for this type of immunity.
What is active immunity?