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
kati45 [8]
3 years ago
9

Need Help ASAP!!

Biology
1 answer:
BigorU [14]3 years ago
8 0

Answer:

1. D

3. A

4. C

Explanation:

Those I am positive are correct (:

You might be interested in
Describe the difference between a food chain and a food web. Which most resembles what is found in an ecosystem?
Leto [7]
"A food chain is a linear sequence of organisms through which nutrients and energy pass as one organism eats another. ... Food webs consist of many interconnected food chains and are more realistic representation of consumption relationships in ecosystems."
6 0
3 years ago
Match the organ to the number showing the order of blood flow in the circulatory system.
trasher [3.6K]

Answer:

What sends oxygenated blood back to the heart from the lungs?

Oxygen-rich blood flows from the lungs back into the left atrium (LA), or the left upper chamber of the heart, through four pulmonary veins. Oxygen-rich blood then flows through the mitral valve (MV) into the left ventricle (LV), or the left lower chamber.

Explanation:

3 0
3 years ago
Dan Perkins was a policeman who was able to run a short distance in a very short time in order to escape the danger of a fire. W
vodomira [7]
Glucose provides energy that can quickly be used to generate ATP if needed by muscle cells. Starches have to be hydrolyzed to make glucose molecules so they would be useful for endurance situations
6 0
3 years ago
The spinal cord transfers messages from the brain to the _______________________
Nesterboy [21]
I think the awnser is d
8 0
4 years ago
With countercurrent flow, diffusion happened in all regions of the filter. explain why
Mandarinka [93]

Counter current involves blood in the capillaries flowing in the opposite direction to the flow of water flowing over them. Gases diffuse faster from one area to another when the concentration difference between the two areas is at its greatest, as compared to when the concentration difference is low.

6 0
3 years ago
Other questions:
  • How do wetlands help keep our water supply pure?
    9·1 answer
  • How can someone prepare for losing sight?
    12·1 answer
  • In small groups – as opposed to large ones – individuals are
    5·1 answer
  • The respiratory rate is driven by question 4 options:
    6·1 answer
  • What is the ecosystem service of water in a reservoir behind a dam
    5·1 answer
  • Red blood cells are one of the very few body cells that don’t have a? This is in my biology HW Help
    11·1 answer
  • Help, will mark brainliest!!
    7·2 answers
  • Suppose you have a small rose plant growing in a pot. How would you demonstrate transpiration in it? ​
    5·1 answer
  • One tool scientists use to learn about the weather is radar. To use radar, a weather tower sends out radio waves and then detect
    8·2 answers
  • Type the correct answer in the box.
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!