BIO 254 EXAM BUNDLE!!

Actin - ANSWERA globular protein that links into chains, two of which twist helically about each other, forming microfilaments in muscle and other contractile elements in cells. Agonists - ANSWERdirectly perform the movement - prime mover Antagonists muscles - ANSWERdirectly oppose prime mover...

What is not a macromolecule? - ANSWERCO2 B cells proliferate into... - ANSWERPlasma Cells The triad of the skeletal muscle fiber composed of - ANSWERT tubules and sacs of the SR What causes a muscle fiber to relax - ANSWERCalcium is pumped into the SR Thick filaments are made up of which...

Science -ANSWER an objective, self-correcting method for gathering and organizing information about the natural world through repeated observation and experimentation. Repeated Observation -ANSWER repeat experimentation to prove something is true or not. Self correcting -ANSWER ideas in scienc...

What are circulating hormones? - ANSWERWhat hormones enter the blood stream? What are local hormones? - ANSWERWhat are hormones that act within the same area without first entering the blood stream? What are paracrine hormones? - ANSWERWhat are the local hormones that are secreted into interst...

how do muscles get ATP -ANSWER creatine phosphate for quick ATP glycogen for anarobic myoglobin for aerobic which cell types are capable of mitosis -ANSWER osteogenic cells what are myofibrils made of -ANSWER thick and thin filaments what are thin filaments made of -ANSWER tropoin and tro...

Musclularis layer is responsible for - ANSWERPeristalsis Epiglottis is attached to the - ANSWERlarynx Where does peristalsis occur? - ANSWERfrom esophagus to anus cells that secrete hydrochloric acid - ANSWERparietal cells what does lipids break down to - ANSWERglycerol and fatty acids ...

Insulin -ANSWER Which hormone is necessary for glucose to be taken up by cells? PTH -ANSWER Which hormone regulates blood calcium levels and is released when calcium levels drop? Aldosterone -ANSWER Which mineralcorticoid regulates sodium reabsorption by the kidney? Prolactin -ANSWER Which ...

function of diaphragm -ANSWER muscle used in breathing 3 requirements for muscle contraction -ANSWER ATP, Calcium, and ACH Function of sarcoplasmic reticulum -ANSWER store calcium and release calcium during muscle contraction Function of acetylcholinesterase -ANSWER Enzyme that breaks down ...

trabeculae -ANSWER Endosteum -ANSWER red bone marrow -ANSWER central canal (haversian canal) -ANSWER Canaliculi -ANSWER Osteocytes -ANSWER Lacunae -ANSWER Osteon -ANSWER Periosteum -ANSWER transverse canal -ANSWER Lamella -ANSWER frontal bone -ANSWER

nervous system -ANSWER system of communications cell body -ANSWER main part, have all the cell parts nucleus -ANSWER has DNA dendrites -ANSWER receives information (detects stimuli) myelin -ANSWER protects the axon fast axon -ANSWER carries nerve implose axon endings -ANSWER relea...

The hormone ADH is produced by cells whose bodies are in the ____, but it is actually released or secreted in the _____. -anterior pituitary; posterior pituitary -hypothalamus; anterior pituitary -hypothalamus; posterior pituitary -hypophysis; hypothalamus -ANSWER hypothalamus; posterior pituita...

Adreabal ( suprarebal) gland - ANSWER Ovary - ANSWER Thyroid gland - ANSWER Testes - ANSWER Pancreas - ANSWER Lacrimal gland - ANSWER Tongue and papillae - ANSWER Optic Chiasma - ANSWEROrange dot Pituitary gland - ANSWER Olfactory bulb - ANSWER Nares - ANSWERnot sure if...

Spleen - ANSWER Lymph nodes - ANSWERBean-shaped filters that cluster along the lymphatic vessels of the body. They function as a cleanser of lymph as wells as a site of T and B cell activation Lymph vessels - ANSWERvessels that receive lymph from the lymph capillaries and circulate it to the l...

(Chapter 31) lymphatic system -ANSWER Jan 2021 What does the lymphatic system do? -ANSWER Maintains fluid balance in the internal environment. -interstitial fluid is absorbed by tissue cells and reabsorbed by the blood -absorbs fat in the intestine with special lymph structures called lacteals ...

Slower - ANSWERThe Endocrine system is a major controlling system in the body that works ________ than that of the Nervous System. Nervous System - ANSWEROther major body system that acts to maintain homeostasis. Hormones - ANSWERThe endocrine system uses chemical messengers called? nerve i...

Secretin -decreases the stomach's churning activity -stimulates the gastric secretion of HCl -is released by the salivary glands -stimulates bile ducts and pancreatic ducts to secrete bicarbonate -ANSWER stimulates bile ducts and pancreatic ducts to secrete bicarbonate Where is the myenter...

where is FSH produced? -ANSWER anterior pituitary gland what is the target of FSH? -ANSWER ovaries and testes what does FSH cause? -ANSWER development of the egg and production of sperm what gland has both endocrine and exocrine function? -ANSWER pancreas what is a ductless gland? -ANSWE...

Thymus - ANSWER Lungs - ANSWER diaphragm - ANSWER heart - ANSWER pericardial sac - ANSWER Phrenic nerve - ANSWERone on both sides Aorta Ascending - ANSWERBig green dot Aorta arch - ANSWER Aorta Decending - ANSWER Brachiocephalic artary - ANSWERSmall orange - ANSWER ...

What is dopamine? -ANSWER A neurotransmitter of the brain -Can be associated with pleasure/reward (addictions) What is Parkinson's Disease? -ANSWER When the brain doesn't produce enough dopamine (too little dopamine) Is Parkinson's genetic or environmental? -ANSWER There are factors in bot...

the different layers of uterine wall -ANSWER 1endometrium (mucosa) inner most layer 2- mayo metrium (muscle layer) 3- epimetrium (outer layer) the site of spermatogenesis -ANSWER seminiferous tubules of the testes site of testosterone production -ANSWER interstitial cells of the testes sper...

Embryology focuses on which time frame? -ANSWER first eight weeks following conception The broad ligament supports which structures -ANSWER uterine tube and uterus which hormone directly causes ovulation -ANSWER LH Where do sperm cells go through their maturation process? -ANSWER epididymis...