Human Body Systems Review

Question 1

How is oxygen and carbon dioxide transported into and out of cells?

Accepted Answer

by diffusion

Question 2

Which two blood vessels are veins?

Accepted Answer

B and C

Question 3

Which blood component carries most of the carbon dioxide produced in the body’s cells?

Accepted Answer

plasma

Question 4

What causes inhalation of air to the lungs?

Accepted Answer

Rib and diaphragm muscles contract.

Question 5

Which is not one of the defenses against foreign materials entering the lungs?

Accepted Answer

trachea

Question 6

Which is the function of the circulatory system?

Accepted Answer

transport oxygen, nutrients, and wastes

Question 7

Why should a girl with type A blood not receive a transfusion of type AB blood?

Accepted Answer

She has Anti-B antibodies in her blood plasma.

Question 8

Smallest type of blood vessel

Accepted Answer

capillary

Question 9

Tube through which urine leaves the body

Accepted Answer

urethra

Question 10

How do the kidneys help maintain pH homeostasis in the body?

Accepted Answer

by excreting hydrogen ions and reabsorbing buffers

Question 11

What is the immediate result of kidney failure?

Accepted Answer

Waste products build up in the blood.

Question 12

Storage site for urine

Accepted Answer

bladder

Question 13

Most absorption of nutrients occurs in the:

Accepted Answer

small intestine due to the high surface area from villi.

Question 14

The end result of protein digestion by enzymes is

Accepted Answer

amino acids.

Question 15

Starch formation in plants could be best determined by which of the following tests?

Accepted Answer

Iodine test

Question 16

What internal stimulus causes breathing rate to increase?

Accepted Answer

a high concentration of CO2 in the blood

Question 17

Which of the following best describes cardiacmuscle?

Accepted Answer

striated; tubular; branched; involuntary

Question 18

Which heart chamber is responsible for the pulse you can feel in your wrist?

Accepted Answer

left ventricle

Question 19

Carries blood away from the heart

Accepted Answer

artery

Question 20

Name the blood component that is helpful in clotting.

Accepted Answer

platelets

Question 21

The actin and myosin filaments inthis diagram are numbered, respectively

Accepted Answer

2 and 1.

Question 22

Which of the following best describes themuscles that line the digestive tract?

Accepted Answer

non-striated; single nucleus; involuntary

Question 23

Which is not true of red blood cells?

Accepted Answer

fight disease

Question 24

Where is urea filtered out of the blood?

Accepted Answer

A

Question 25

Carries deoxygenated blood

Accepted Answer

vein

Question 26

Which is the function of the excretory system?

Accepted Answer

remove carbon dioxide, salts, and water

Question 27

What is the function of the convoluted tubule and the Loop of Henle?

Accepted Answer

reabsorb water and glucoset

Question 28

Which is a vein?

Accepted Answer

B

Question 29

Filters out waste, salt, and water from the blood

Accepted Answer

kidney

Question 30

At body temperature, which of these is most likely to result in digestion of protein?

Accepted Answer

protein, HCl, pepsin

Question 31

Only veins have valves to prevent backward flow of blood.

Accepted Answer

True

Question 32

Which is an example of internal respiration?

Accepted Answer

Oxygen in red blood cells diffuses into tissue cells.

Question 33

Identify the structures that carry blood away from the heart.

Accepted Answer

arteries

Question 34

Which is the function of the respiratory system?

Accepted Answer

regulate oxygen and carbon dioxide supplies in cells

Question 35

Has a thick wall to withstand the high pressure of blood being pumped from the heart

Accepted Answer

artery

Question 36

What structure contracts during inhalation?

Accepted Answer

diaphragm

Question 37

What condition results from crystallization of mineral compounds in the kidney?

Accepted Answer

kidney stones

Human Body Systems Review

Questions 37

Human Body Systems Review

Questions 37