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
aniked [119]
3 years ago
14

Help pweeeezzz ;(?? Means a lot

Biology
1 answer:
9966 [12]3 years ago
5 0

The circulatory system is made up of blood vessels that carry blood away from and towards the heart. Arteries carry blood away from the heart and veins carry blood back to the heart. The circulatory system carries oxygen, nutrients, and hormones to cells, and removes waste products, like carbon dioxide.

You might be interested in
Which of the following is the best definition for the process of photosynthesis?
Ugo [173]

Answer:

The answer to your question is: C

Explanation:

A.) Plants digest sugars to make energy.  This option is incorrect, the process in which plants digest sugars to make energy is called cellular respiration.

B.) Plants use oxygen and glucose to make carbon dioxide.  This option is incorrect, photosynthesis doesn't make carbon dioxide, it use it to make sugar.  

C.) Plants use sunlight and carbon dioxide to make sugars.  This option is correct, photosynthesis is a process that use carbon dioxide to make sugars.  

D.) Plants use sunlight to make chlorophyll and chloroplasts. This option is incorrect, plants use sunlight in the photosynthesis process to make sugars, not to make chlorophyll and chloroplasts.

4 0
3 years ago
Read 2 more answers
Describe how the release of the neurotransmitter, dopamine, can result in addiction to tobacco products.
DaniilM [7]
Dopamine is a chemical released by neurons to send signals to other nerve cells. the brain includes several distinct dopamine pathways, one of which plays a major role in reward motivated behavior.
smoking is a habit, in a habit there is the cue, routine, and reward. with smoking the cue can be different things, most commonly stress or anxiety. the routine how you react to those cues, the reward is the chemical 'triggers' that are pulled inside you're brain leaving you feeling calm, happy, or relieved, etc.
3 0
3 years ago
PLEASE help me i am stuck In pea plants the allele for round seeds (R) is dominant and the allele for wrinkled seeds (r) is rece
erastovalidia [21]

Answer:

I am positive it is C your welcome :)

7 0
3 years ago
Read 2 more answers
Which two organelles are found in plant cells but not animal cells
Inessa [10]
A large central vacuole, and chloroplasts. 
8 0
3 years ago
Compare and contrast the structures and functions of DNA, mRNA, and tRNA
navik [9.2K]
In DNA the sugar used is called deoxyribose whereas in RNA the sugar is ribose (hence DNA and RNA). The important structural difference between the two types of RNA is that mRNA takes on the shape of a line whereas tRNA has a clover-like shape.
7 0
3 years ago
Other questions:
  • Which is used by scientists to find out how different species are related?
    13·1 answer
  • A _______ cross explores two traits
    13·2 answers
  • Which of these is responsible for ridding the body of waste
    8·2 answers
  • HELP!!!!!! I don't get any of this can some one please help me?
    5·2 answers
  • How have cultures been involved with science
    11·1 answer
  • What is a process by which the best adapted organisms survive?
    11·1 answer
  • Which two words best describe the Sun? Select one:
    14·2 answers
  • What is the importance of corals forming a reef colony?
    12·1 answer
  • Help me pls!will give brainliest
    6·1 answer
  • Explain the concept Conservation of Matter
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!