Body Systems
Transports blood around the body
the circulatory system
Glands that secret chemical messages called hormones
endocrine glands
Transmits electrical messages around the body
the nervous system
two systems involved in increasing your adrenaline when you are in fight or flight
the nervous and endocrine systems
what do red blood cells do
carry oxygen
supports body and protects internal organs
skeletal system
All endocrine cells:
a. secrete hormones that travel through the blood stream to target cells.
b. secrete hormones that travel through the nervous system to target cells.
c. travel through the nervous system to target cells.
d. travel through the blood stream to target cells.
a. secrete hormones that travel through the blood stream to target cells.
a cell that sends fast electrical messages
the nerve cell or neuron.
the organ responsible for maintaining waste in the blood
the kidney
An example of an organ is __________.
a. A nerve b. The skin c. Epithelial tissue d. Connective tissue e. Bloodb. The skin
Converts food into smaller molecules
the digestive system
adrenaline for the flight or flight response is released from this gland
the adrenal gland
What is the first organ to sense an imbalance in the body
the brain
Explain a feedback loop that occurs when you are cold
brain-->muscle-->shivering
Contract and expand to create movement
muscle cells
Exchanges oxygen and carbon dioxide in the lungs
the respiratory system
regulates blood sugar
the pancreas
the two endocrine glands located in the brain
the hypothalumus and pituitary
a. secrete hormones that travel through the blood stream to target cells.
the ovaries and testes
Organs that made up of groups of specialized cells that work together to produce and release substances such as hormones, enzymes, and other fluids.
a. Lymph b. Adipose tissue c. Glial cells d. Glands
d. Glands
Consists of the brain and spinal cord
the central nervous system (CNS)
the two reproductive hormones
estrogen and testosterone
the part of the brain responsible for involuntary movement
the brain stem
Bone marrow makes white blood cells, which two systems are involved
the skeletal and immune systems
Transmit messages between nerve cells
synapses