Integumentary System
This outermost layer of the skin provides a waterproof barrier and creates our skin tone.
What is the epidermis?
This molecule is made during cellular respiration and is necessary to muscle contraction.
What is ATP?
Composed of the spinal cord and brain.
What is the central nervous system?
This male organ produces sperm and the hormone testosterone.
What are the testes?
This body part is the first barrier to keep germs out.
What is the skin?
These structures in the dermis are responsible for sensing touch, pressure, and pain.
What are nerve endings?
What is smooth, skeletal, and cardiac muscle?
These basic functional units of the nervous system transmit electrical signals.
What are neurons?
This structure in females is where a fertilized egg implants and develops.
What is the uterus?
These cells are the body’s first line of defense and attack any pathogen they encounter.
What are white blood cells? or Leuokocytes
This protein found in hair, nails, and the outer skin layers provides durability and protection.
What is keratin?
When you bend your arm, this muscle contracts while its opposite muscle relaxes.
What is the biceps?
Inflammatory disease where nerves are damaged; nerve cells in brain & spinal cord do not work properly; causes numbness, difficulty moving, speech impairment, etc.
What is multiple sclerosis?
This tube connects the ovary to the uterus and is the usual site where fertilization occurs.
What is the fallopian tube?
This protein, made by B-cells, binds specifically to antigens to help neutralize pathogens.
What are antibodies?
This pigment gives skin its color and helps protect it from UV radiation.
What is melanin?
This strong tendon attaches your calf muscles to your heel bone.
What is the Achilles tendon?
This insulating material surrounds many axons and increases the speed of nerve impulse conduction.
What is the myelin sheath?
The fusion of sperm and egg forms this single-celled, diploid structure.
What is a zygote?
This organ located above the heart is where T-cells mature.
What is the thymus gland?
This autoimmune disorder causes the immune system to mistakenly attack hair follicles, resulting in patchy hair loss on the scalp or body.
What is alopecia?
The two (2) proteins that make up muscle fibers and are responsible for muscle contraction and relaxation.
What are actin and myosin?
These branch-like extensions of a neuron receive incoming signals from other neurons.
What are dendrites?
This hormone, released by the corpus luteum, thickens the uterine lining to prepare for possible implantation.
What is progesterone?
These white blood cells are the body's first responders and engulf pathogens through phagocytosis.
What are neutrophils? or Macrophages