Chapter11: Human Body Systems

________ are blood vessels that carry blood away from the heart. A.Arteries B.Veins C.Capillaries D.Venules

Arteries

Which of the following lists correctly identify some of the external defenses that your body uses to prevent infection? A.Cilia, mucous membranes, and stomach acid B.Cilia, stomach acid, and white blood cells C.White blood cells, mucous membranes, and skin D.Skin, white blood cells, and mucous membranes

Cilia, mucous membranes, and stomach acid

What type of joint permits movement in a single plane? A.Hinge B.Ball and socket C.Suture

Hinge

Where are photoreceptor cells found in the eye? A.In the retina B.In the lens C.In the optic nerve

In the retina

Essential nutrients are those nutrients that the ________. A.body cannot make for itself B.body makes for itself to survive C.require a specialized diet D.cannot be found in a vegan diet

body cannot make for itself

The ________ nervous system is made up of the brain and spinal cord, whereas the ________ nervous system is composed of the nerves carry information into and out of the spinal cord and brain. A.central; peripheral B.peripheral; central C.sensory; motor D.motor; sensory

central; peripheral

The alimentary canal is part of the ________ system. A.digestive B.respiratory C.urinary D.endocrine E.nervous

digestive

The ________ trimester is the most sensitive time in fetal development, because this is when most organs are formed. A.first B.second C.third D.fourth

first

The ability of animals to maintain a relatively constant internal environment despite changes in the external environment is known as ________. A.homeostasis B.hemostasis C.homogenization D.homoegeneous

homeostasis

The ________ is the organ system primarily responsible for protecting your body from infectious diseases. A.immune system B.nervous system C.cardiovascular system D.respiratory system

immune system

When air pressure in the lungs is less than air pressure in the atmosphere, ________ occurs. A.inhalation B.exhalation C.asthma D.emphysema

inhalation

A diet that lacks sufficient calories or essential nutrients results in ________. A.malnutrition B.anorexia nervosa C.bulimia D.obesity

malnutrition

Most homeostatic systems rely on ________ feedback. A.negative B.positive C.neutral

negative

The ________ are the functional units of the kidney that filter the blood and form the urine. A.nephrons B.neurons C.ureters

nephrons

Blood contains water, cells, and other molecules. The liquid component of blood is called ________. A.plasma B.serum C.hematocrit D.whole blood

plasma

The human cardiovascular system can be divided into two circuits: the ________ circuit transports blood between the heart and lungs and the ________ circuit transports blood between the heart and the rest of the body. A.pulmonary; systemic B.systemic; pulmonary C.circulatory; lymphatic D.lymphatic; circulatory

pulmonary; systemic

Homeostasis is disrupted when an endocrine gland produces ________ hormone product. too much or too little too little too much too much and too little

too much or too little

The _______ system provides osmoregulation in your body. A.urinary B.respiratory C.digestive D.circulatory

urinary

________ are a type of fibrous connective tissue that holds bones together at joints. A.Ligaments B.Tendons C.Synovial tissue D.Cartilage

Ligaments

Which body system is responsible for communication and coordination throughout your body? A.Nervous B.Circulatory C.Muscular D.Lymphatic

Nervous

Your pancreas is an example of what level of the structural hierarchy of the organization of your body? A.Organ B.Organ system C.Cell D.Tissue

Organ

A fertilized egg is called ________. A.a zygote B.an embryo C.a blastocyst D.an oocyte

a zygote

Humans have ________ in which the bones are associated with the soft tissues and are found inside the body. A.an endoskeleton B.an exoskeleton C.a hydroskeleton

an endoskeleton

Two hormones that counteract one another's actions in a feedback circuit are said to be ________ hormones A.antagonistic B.anachronistic C.antebellum D.antithesis

antagonistic

Hormones can travel through the blood and not affect all tissues; only cells possessing ________ sites for that particular hormone are affected, and these cells are called ________ cells. A.receptor; target B.target; receptor C.receptor; activation D.activation; receptor

receptor; target