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
sergejj [24]
3 years ago
12

Select 2 choices

Biology
2 answers:
Mariana [72]3 years ago
6 0
Humans use their respiratory system to inhale oxygen and exhale carbon dioxide. It also allows people to talk, laugh, and sing.

Major organs involved include the nose and mouth, nasal passages, trachea, bronchi (singular: bronchus), lungs, alveoli, and diaphragm.

The respiratory system has a close relationship with the circulatory system, oxygenating blood for tissues to survive and expelling carbon dioxide as waste.
hoa [83]3 years ago
4 0

1 and 5, Solvent, and yh I am not sure but I think so

You might be interested in
Crater Lake in southern Oregon is not a crater but actually a ___.
hammer [34]

Answer: caldera

Explanation: shore length is not a well defined measure. crater lake is a crater lake in south central Oregon in the western united states. the lake only partly fills a nearly 2,148-foot deep caldera that was formed around 7,700 years ago by collapse of the volcano mount Mazama.

7 0
3 years ago
Read 2 more answers
Which of these is exhibiting kinetic energy? a) an archer with a flexed bow b) a rock on a mountain ledge c) a space station orb
Nadya [2.5K]

Answer:The correct answer is C

Explanation:

Kinetic energy is energy an object possess in motion. The space station is in motion orbiting the earth, hence its C.

Hope this helps ; )

7 0
3 years ago
Write a constructed response on the immune system
gladu [14]

Answer:

An immune response is a reaction which occurs within an organism for the purpose of defending against foreign invaders. The first contact that an organism has with a particular antigen will result in the production of effector T and B cells which are activated cells that defend against the pathogen.

Explanation:

5 0
3 years ago
Where did the First potato grow
Ymorist [56]

Answer:

Peru

Potato Facts: Origins of the Potato

The Inca Indians in Peru were the first to cultivate potatoes around 8,000 BC to 5,000 B.C. In 1536 Spanish Conquistadors conquered Peru, discovered the flavors of the potato, and carried them to Europe.

Explanation:

Hope this helps!!!!!

Forever friend and helper,

Cammie:)

3 0
3 years ago
Read 2 more answers
The juxtaglomerular cells release the enzyme ______________ when the macula densa cells detect low blood volume or solute concen
zhuklara [117]

Renin enzyme

Renin enzyme are also known as angiotensinogenase and function by regulating the body means arterial blood pressure. They do circulate in the blood stream and digest angiotensinogen that was secreted in the liver into peptide angiotensin 1. Thus, they are secreted by the kidney and placenta.






5 0
3 years ago
Other questions:
  • In Unicorns diamond eyes are dominant over emerald eyes. Two unicorns with diamond eyes have 4 babies. 1 of their babies has eme
    13·2 answers
  • What is NOT an impact that an invasive non-native species has on an ecosystem?
    12·2 answers
  • Who came up with the idea of natural selection
    15·2 answers
  • Changes in DNA that sometimes do and sometimes don't have a harmful effect are called what?
    14·2 answers
  • what is a substance, located in the cell membrane and made of amino acids and sugars, that aids in the identification of cell ty
    10·1 answer
  • Help me please,Thanks
    15·2 answers
  • In a population of weasels, black (R) is the dominant color and white (W) is the other dominant trait. In weasels, fur color fol
    5·2 answers
  • Suppose that the concentration of Ca outside the cell is 10 and inside the cell is 0.1 mmol/liter. The Nernst equation at 20oC i
    8·1 answer
  • 1. Why is the oceanic crust easily broken?
    11·1 answer
  • How do you explain that all life made from no living material
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!