ANSWERS 2025/2026 ALL RATED A+
✔✔Epiglottis - ✔✔A flap of tissue that seals off the windpipe and prevents food from
entering.
✔✔Trachea - ✔✔Windpipe that continues to chest and branches into right and left
primary bronchus
✔✔Alveoli - ✔✔tiny sacs of lung tissue specialized for the movement of gases between
air and blood
✔✔Right Lung - ✔✔Spongy, air-filled organ with 3 lobes
✔✔Left lung - ✔✔Spongy, air-filled organ with 2 lobes and a cardiac notch
✔✔Mediastinum - ✔✔Space in the middle of the chest between the lungs
✔✔Pleurae - ✔✔serous membranes that form an envelope between the lungs and the
chest wall
✔✔Intercostal muscles - ✔✔muscles between the ribs that contract when breathing
✔✔Diaphragm - ✔✔Muscle below lungs. Main muscle of respiration and separates
chest cavity from abdominal cavity
✔✔Hemoglobin - ✔✔Part of the red blood cell that acquires oxygen in the lungs
✔✔Cardiovascular system - ✔✔Heart, blood and blood vessels
✔✔Lymphatic System - ✔✔lymph, lymph nodes, lymph vessels, tonsils, spleen
✔✔Great vessels - ✔✔- Pulmonary Arteries/ veins
- Aorta
- Superior/ inferior vena cava
✔✔Atria - ✔✔upper chambers of the heart. Receive blood from body/lungs
✔✔Ventricles - ✔✔Lower chambers of the heart with thick muscle to pump blood to the
body
✔✔Arteries - ✔✔carry blood away from the heart
✔✔Veins - ✔✔Blood vessels that carry blood back to the heart
, ✔✔Plasma - ✔✔liquid portion of blood
✔✔Arterioles - ✔✔Small vessels that connect arteries to capillaries
✔✔Venules - ✔✔small vessels that gather blood from the capillaries into the veins
✔✔Capillaries - ✔✔Microscopic vessel through which exchanges take place between
the blood and cells of the body
✔✔Aorta - ✔✔Largest artery in the body
✔✔carotid artery - ✔✔The major artery of the neck that supplies blood to the head and
brain.
✔✔Subclavian artery - ✔✔Supplies blood to upper extremities
✔✔Radial artery - ✔✔Artery of the lower arm. It is felt when taking the pulse at the wrist.
✔✔Femoral artery - ✔✔the major artery supplying the leg
✔✔Superior vena cava - ✔✔A vein that is the second largest vein in the human body
and returns blood to the right atrium of the heart from the upper half of the body.
✔✔Inferior vena cava - ✔✔A vein that is the largest vein in the human body and returns
blood to the right atrium of the heart from bodily parts below the diaphragm.
✔✔Blood pressure - ✔✔Force exerted by blood on inner walls of heart and arteries
✔✔Systolic bp - ✔✔Pressure in an artery when the heart is pumping
✔✔Diastolic bp - ✔✔Pressure in an artery when heart is at rest
✔✔Perfusion - ✔✔Flow of blood through an organ or a part of the body
✔✔Shock - ✔✔Hypoperfusion; inadequate blood flow through part of the body
✔✔Peripheral nervous system - ✔✔the sensory and motor neurons that connect the
CNS to the rest of the body
✔✔Integumentary system - ✔✔skin, hair, nails, sweat glands, sebaceous (oil) glands
✔✔Epidermis - ✔✔Outer layer of skin. Does not contain blood vessels