Study and Learn with 1000s of Biology MCQs
Animals use _____ types of gas-exchange systems 2467 _____ occurs through the outer surface of an animal Integumentary exchangeTracheal exchange systemsBoth of theseNone of these Worms and amphibians employ _____ type of gas-exchange system Tracheal exchange systemsgillsIntegumentary exchangelungs _____ are…
Nerve impulses pass through a neuron in about _ seven millisecondsseven microsecondshundred milliseconds2 nanoseconds When a neuron is inactive, just waiting for a nerve impulse to come along, the electrical difference across the nerve cell membrane is called its _…
Functions of muscles include __ Digestion of foodHelp you Standing uprightmovementAll of these __ is the squeezing of food down through the esophagus, stomach, and intestines churningPeristalsisDigestiondefecation the parts of the muscle fiber that contract is called? cartilageMyofibrilsCollagenNone of these…
Which type of reaction builds molecules? AnaboliccatabolicBoth of theseNone of these Which type of reaction breaks down molecules to release their stored energy AnaboliccatabolicBoth of theseNone of these proteins break down into _ monosaccharidesGlycerolamino acidsNone of these polysaccharides break down…
_____ is the tube that connects the nose and mouth to the lungs Loop of henleNephrontracheaduodenum The bronchioles end in little clusters of sacs called _____ bronchialveoliLoop of henleNephron tiny, moist sacs where gas exchange occurs in the lungs are…
In humans, the _ are the organs responsible for the production of urine. lungskidneysintestinesliver Areas of kidneys include _renal pelvisrenal medullarenal cortexAll of these which is the outer layer of kidney? renal pelvisrenal medullarenal cortexAll of these which is the…
MCQ# 1: _____ first delivers deoxygenated blood to the lungs so it can become oxygenated and then delivers oxygenated blood back to the heart systemic circulationpulmonary circulationBoth of theseNone of these MCQ# 2: The human heart has _____ chambers 1234…
your body removes waste via your __ system excretoryDigestiverespiratorycirculatory Excretery system consists of? Large intestineKidneyBoth of theselungs Large Intestine MCQs After the usable nutrients from food are absorbed into the bloodstream from the _ Large intestinesmall intestineLiverstomach Colon is _…
Human Digestive System MCQ – These multiple-choice questions on the human digestive system explores the anatomy, physiology, and functions of each digestive organ and the overall process of digestion. Topics covered include digestion of carbohydrates, proteins, and fats, absorption of…
These multiple-choice questions (MCQs) on human body defenses explores the various components and processes involved in the body’s immune response. Topics covered include the immune system, including innate and adaptive immunity, white blood cells, antibodies, vaccination, and immune disorders. Answering…