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
Tanya [424]
3 years ago
15

Why do problems with the heart lead to difficulty breathing?

Biology
2 answers:
mixer [17]3 years ago
6 0

Answer:

B. The circulatory and respiratory systems work together

Explanation:

77julia77 [94]3 years ago
5 0

Answer:

O

OOO

Explanation:

You might be interested in
Please help
KatRina [158]

Answer:

This would be the Waste Water Treatment act of 1972.  This ensured that sewage was treated and not released into bodies of water which would eventually end up in our drinking water.

Explanation:

7 0
3 years ago
Please help me I need help
wel
Since the number before the tens place is 1, that means you will round the number down instead of up so your answer is : 
4620
3 0
3 years ago
Bee wings and bat wings are very different, yet they have a similar function. Scientists consider this an example of _______.
Effectus [21]
I think it is D so try that
4 0
3 years ago
What is a group of cells that can do certain things as group called​
love history [14]

Answer:

Tissue

Explanation:

The levels of organization go as follows:

Atom - the building blocks of all living and nonliving material

Molecule - two or more atoms that join together in chemical bond

Organelle - two or more molecules working together to perform a particular function in a cell

Cell - the smallest unit that exhibits all of the characteristics of life

<u>Tissue - two or more cells that work together to perform a particular function</u>

Organ - two or more tissues that work together to perform a particular function

Organ System - two or more organs that work together to perform a particular function

Multi-Celled Organism - two or more organ systems that work together

5 0
3 years ago
What are the key features of a specialist lab
Ber [7]
<span>Compare a country culture to an iceberg 100 world and yes

</span>
7 0
3 years ago
Other questions:
  • Name two different methods for evaluating evidence. Compare and contrast these two methods?
    8·1 answer
  • What are two generalizations you could make about the spread of enlightenment ideas?
    8·1 answer
  • A scientist who conducted an experiment obtained an unexpected result.what will she most likely do with the unexpected result
    7·1 answer
  • What are the properties of lipids
    7·1 answer
  • Mutations can occur in the chromosomes of all types of cells. Mutations that are passed on to offspring must occur in A) gametes
    7·2 answers
  • Should biofuels be used as a replacement for fossil fuels?
    7·2 answers
  • Embryonic stem cells give rise to all cell types in the developing embryo. Would you expect the interphase period of stem cells
    10·2 answers
  • What would happen if the parent cell were to divide more times than usual during mitosis
    14·1 answer
  • If someone has a trait that makes them live much longer than other people but they cannot
    12·1 answer
  • Which claim best supports the identification of the products of the reaction?
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!