1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
telo118 [61]
3 years ago
7

Which line in the graph above best illustrates an effect of the carbon dioxide level in the blood on breathing rate before, duri

ng and after a period of exercise? 1.B,2.C,3.A,4.D

Biology
2 answers:
sukhopar [10]3 years ago
8 0

The answer is; graph A

Breathing increases during exercise because the body is demanding more oxygen for the muscles. The hypothalamus detects the increased carbon dioxide in the blood dur9ng exercise and its commands the lungs to breath faster and deeper. When exercise stops, the body is restored to resting through homeostasis.


BigorU [14]3 years ago
3 0

The correct answer is: 3.A

During the exercise, heartbeat and breathing rates increase. The heart must increase its rate of pumping in order to deliver oxygen to the muscles faster. The demand for the oxygen increase, the lungs must work harder and the breathing rate increases. As a result, more carbon dioxide is produced and it needs to be removed.


You might be interested in
The human population grows by about 2% each year, showing_____ growth.
stepan [7]

Answer:

C. Exponential

Explanation:

6 0
3 years ago
Read 2 more answers
What is the chemical reaction used to study enzyme activity in the lab (lactase breaking down lactose into its monomers). Know t
Bas_tet [7]

Answer: The chemical reaction in this example is Called hydrolysis in the presence of Lactase

Here is a word equation for the hydrolysis of lactose:

lactose + water → galactose + glucose

Explanation: The equation is called <hydro> + <lysis) of these terms refer to water and splitting respectively. So hydrolysis means splitting with water. Enzymes pull out a monomer by examining where the monomers are connected, and placing a water molecule in between them, resulting in the breakage of the bond between the monomers. Here are two picture to represent it.

6 0
3 years ago
where do plants get their energy from for photosynthesis to occur? water, sunlight, oxygen, or food(glucose)
vampirchik [111]

Answer:

Sunlight and Water

Explanation:

Plants can make food from absorbing sunlight

7 0
2 years ago
Magnetic levitation has been used to innovate which aspect of life?
UkoKoshka [18]
<span>well transportation is onne because there are trains that use magentic levation
</span>÷β

6 0
3 years ago
Read 2 more answers
A nurse notes that the fev1/fvc ratio is less than 70% and the fev1 is 25% for a patient with copd. what stage should the nurse
disa [49]
Stage 3  because the person fev1 level is go down not up 
4 0
3 years ago
Other questions:
  • Explain why a message moving along nerve pathways takes time.
    14·2 answers
  • Acteria, like the Lactobacillus acidophilus use sugar as an energy source for anaerobic cellular respiration. This process produ
    11·1 answer
  • Which describes something in nature and predicts how it will behave without explaining why?
    9·2 answers
  • while the lophophorate are a all recognized group phylogenic studies do not yet agree on the identity of their closest relatives
    6·1 answer
  • Which best describes a semidiurnal tide pattern???
    14·2 answers
  • YAHHHOOOOOOOOOBrudsjwkowsjjw
    15·1 answer
  • Please help pleaseeeeee
    11·1 answer
  • Plz idk if it’s correct
    10·2 answers
  • Is my backyard considered an ecosystem?
    15·2 answers
  • Blank have a positive charge and are found in the blank
    6·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!