Nervous
What is the main organ of the nervous system?
The brain
What is the main organ of the integumentary system?
The skin
Which part of the immune system learns and remembers?
Adaptive immune system.
Name the two kinds of heart chambers. Where do they pump blood?
Atria - pumps blood to ventricles
ventricles - pumps blood out of the heart
What is carried by the blood?
Nutrients, Carbon Dioxide, Oxygen, Immune cells (White blood cells) , Platelets, Red Blood Cells
This chemical moves through the synapse to transfer a signal from one neuron to another.
Neurotransmitter
What is the epidermis?
The outer layer of skin, where skin cells are constantly being replaced and new cells are alive for 2 weeks and then remain on the surface when dead for 2 weeks.
T/F: Immune cells only respond to cells that are not from our body. Explain
False: immune cells can also fight cancer cells which ARE from our own bodies.
Which side of the heart touches oxygenated blood?
The left side
List 3+ involuntary muscles
Stomach
Blood vessels
Heart
Breathing muscles
What is the insulation around neurons called?
Myelin sheath
How does the skin help regulate body temperature?
Changing sizes of blood vessels (in the skin) allows more or less blood to flow close to the surface of the skin and regulate temperature
List the three body systems that work together to cause movement in the body!
Skeletal, muscular and nervous systems.
Which blood vessel is used to send blood back to the heart
Veins
What kind of joint is a shoulder?
What kind of joint is a knee?
What connective tissue connects bone to bone?
Shoulder - ball and socket
Knee - hinge
Ligament
1. This part of a neuron sends the electrical signal.
2. This part of the neuron receives electrical signals from other neurons.
Axon
Dendrite
What is found in the dermis layer of the skin?
The dermis contains nerves and vessels, sweat glands, follicles that grow hair, and oil glands
What is an antigen
The part of the pathogen that triggers an immune response
Name the chemical in the blood that carries oxygen
hemoglobin
What is chlosterol?
A waxy, fat like substance that is important to all the cells in your body.
ALSO - when blood levels are too high, it can cause buildup in your arteries and make you more at risk of a heart attack or stroke.
What is the function of the nervous system ?
coordinate the body systems by receiving & sending information maintaining homeostasis
What are the 6 functions of the skin?
1. Covers the body and prevents the loss of water
2. Protects the body from injury and infection
3. Regulates body temperature
4. Eliminates waste
5. Gathers information about the environment
6. Produces vitamin D
What are the 3 parts of the immune system?
Circle the "first line of defense"
1. Physical barrier - First line of defense
2. Innate immune system
3. Adaptive immune system
What is the name of the loop that sends deoxygenated blood to the lungs and then back to the heart?
Pulmonary circulation
What is another name for high blood pressure?
Hypertension, and it's know as the "Silent Killer"