Tissues/Cells
What are the 4 primary types of tissues?
Epithelial, muscle, connective, nervous.
What does it mean if a muscle is involuntary?
Not controlled by the conscious brain.
Name the three layers of the skin.
Epidermis, dermis, subcutaneous.
What are the 4 chambers of the heart?
Left atrium, right atrium, left ventricle, right ventricle.
What is the gas that is exhaled as waste?
CO2
What subcellular structure is responsible for breaking down worn-out organelles and other cellular material?
Lysosome.
Which bone in the lower arm is found on the same side as the thumb?
Radius
What is the role of the protein melanin?
Provide pigmentation and protection from UV rays.
What may you determine if someone got their blood drawn and had a low white blood cell count?
Low immunity/difficulty fighting infections.
Where does gas exchange occur?
Alveoli.
What is the site of protein synthesis?
Ribosomes.
Where is the trapezius located?
The upper back.
What is the role of keratin?
Skin and nail health.
Describe the difference between veins and arteries.
Arteries bring blood away from the heart. Veins bring blood to the heart.
Put these terms in order of how gas travels into the lungs. Bronchi, alveoli, pharynx, trachea, nose, larynx, bronchioles
Pharynx, larynx, trachea, bronchi, bronchioles, alveoli.
What is the function of the mitochondria?
Converts glucose into ATP/useable energy.
Give an example of a pivot joint. Give an example of a hinge joint.
Pivot: neck, forearm
Hinge: knee, elbow
Protection against pathogens and UVs, water control, waste management, sense of touch.
What is the function of plasma? What is the function of platelets?
Plasma is the liquid portion of the blood, and most of our blood is comprised of it. Platelets assist in blood clotting.
Explain how the respiratory and cardiovascular systems work together.
Respiratory takes in O2and eliminates CO2. Cardiovascular brings O2 to cells and CO2 away from cells to be respired
What is the difference between the RER and SER?
RER: contains ribosomes. SER: makes lipids, detoxifies, stores calcium.
What is an extensor muscle?
A muscle that straightens bones at the joint. ex) tricep.
Which layer of the skin is the thinnest?
Epidermis.
What is hemoglobin?
Protein found on red blood cells that carry oxygen to cells.
What is the diaphragm?
The semi-circular muscle located beneath the lungs that is responsible for respiration.