Where does gas exchange occur in the lungs Alveoli
Where does most nutrient absorption take place Small intestine
Which gland is called the "master gland" Pituitary gland
What part of the brain controls coordination and balance The cerebellum
What is the function of the kidneys Filter blood, produce urine, removes toxins
What hormone regulates the menstrual cycle Estrogen and progesterone
Which cells are responsible for fighting infections White blood cells
Which type of muscle is involuntary and found in internal Smooth muscle
organs
What mineral is stored in bones Calcium
What are the functions of the skin Protection, temperature regulation, and sensation
Which chamber of the heart receives oxygenated blood Left atrium
from the lungs
What is the primary muscle used in breathing Diaphragm
What enzyme in saliva begins carbohydrate digestion Amylase
Which hormone lowers blood sugar levels Insulin
,What part of the brain controls involuntary actions like Medulla oblongata
breathing and heart rate
What is the functional unit of the kidney Nephron
Where are sperm produced Testes
What organ filters blood and helps fight infection Spleen
What type of muscle is found only in the heart Cardiac muscle
What process produces blood cells in the bone marrow Hematopoiesis
What protein in the skin helps protect against UV radiation Melanin
What is the name of the valve between the left atrium and Mitral (bicuspid) valve
left ventricle
Which structure connects the throat to the lungs Trachea
Which organ produces bile to aid in fat digestion Liver
Which gland regulates metabolism Thyroid gland
What cells transmit electrical impulses in the nervous Neurons
system
Which tube carries urine from the kidney to the bladder Ureter
What structure in females carries the eggs from the ovary Fallopian tube
to the uterus
What type of white blood cell produces antibodies B lymphocytes (B cells)
, Which muscle type is under voluntary control Skeletal muscle
Which part of a long bone is responsible for growth Epiphyseal plate (growth plate)
Which gland in the skin secrets oil Sebaceous gland
What type of blood vessel carries blood toward the heart Vein
What is the flap of tissue that covers the trachea during Epiglottis
swallowing
Where is hydrochloric acid produced in the digestive Stomach
system
What hormone is secreted by the adrenal medulla in Epinephrine (adrenaline)
response to stress
What structure connects the brain to the spinal cord Brainstem
What is the tube that carries urine out of the body Urethra
What is the primary male sex hormone Testosterone
What is the first line of defense in the immune system Skin and mucous membrane
What term describes the ability of muscle to return to its Elasticity
original shape
which bones protect the brain cranial bones (skull)
What layer of skin contains blood vessels and nerve Dermis
endings
What is the normal pH of blood 7.35-7.45