what organelle is the "powerhouse of the cell"?
Mitochondrion
What are 4 primary tissue types?
Epithelial, Connective, Muscle, Nervous
What type of cartilage covers joint surfaces?
Hyaline cartilage
What is the contractile unit of skeletal muscle?
Sarcomere
What are the 3 main functions of the nervous systems?
collect information, process/evaluate it, respond to stimuli
During which phase of Interphase does DNA replicate?
S Phase
What tissue type makes up the epidermis?
Keratinized stratified squamous epithelium
The shaft of a long bone is called the.....?
Diaphysis
Which neck muscle rotates the head to the opposite side?
Sternocleidomastoid
Which part of the brain controls heart rate and breathing?
Medulla oblongata
What process digests worn-out organelles?
Autophagy
What epidermal cell type detects touch?
Tactile (merkel) cells
Which hormone inhibits bone growth?
Calcitonin
What muscle group maintains posture?
What structure connects the hyothalamus to the pituitary gland?
Infundibulum
Which organelle detoxifies alcohol and drugs in the liver?
Smooth Endoplasmic Reticulum
What type of epithelium lines the urinary bladder?
Transitional epithelium
Name 2 major functions of bone.
Protection and hemopoiesis
List the 4 rotator cuff muscles.
Supraspinatus, Infraspinatus, Teres Minor, Subscapularis
What part of the brain coordinates balance and movement?
Cerebellum
What’s the difference between diploid and haploid cells?
Diploid (2n) cells have 46 chromosomes; haploid (n) cells have 23
Which epidermal layer is only found in thick skin (skins and soles)?
stratum lucidum
Which cranial bone cannot be palpated?
Ethmoid
What neurotransmitter triggers muscle contraction?
Acetylcholine (ACh)
Cerebrospinal fluid (CSF) is found in which meningeal space?
Subarachnoid space