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3 years ago

How are immune cells able to detect foreign pathogens?

1 answer:

8 0

Self and non-self cells are detected using surface antigens. Our body's cells recognize the body's own antigens and do not attack them; however, when an non-self antigen is detected, immune cells produce antibodies for them and destroy the cell.

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II. Identify the following pictures and label the parts:

guajiro [1.7K]

Answer:

=> The tube-like structure is filament.

=> The bag-like structure above is Anther.

=> As a whole, they both are called stamen.

=> The grains inside anther are pollen grains.

a) Stigma

b) Style

c) Ovary

d) Ovule

e) Carpel

a) Cross-Pollination

b) Self-Pollination

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Hope this helped!

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3 years ago

What is the function of the central nervous system?

Ludmilka [50]

Answer:

To transport oxygen and nutrients to the Brian

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3 years ago

What is the name of one convection cell that forms because of the Coriolis effect? How does the air move in that convection cell

My name is Ann [436]

Answer:

Hadley Cells
Warming air causes it to ascend. The cool air will sink. The action eventually results in a convection cell, with air rising, traveling to the side, dropping, and returning. This heat-driven air movement circulates heat throughout the atmosphere.

<u>OAmalOHopeO</u>

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3 years ago

Explain why a patient night receive a transplant?

Lorico [155]

If one organ doesnt work ex. kidney it can work without the other one. if the liver how ever fails, it doesnt have another one and would need to have a transplant in order to stay alive.

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4 years ago

Read 2 more answers

The Center for Disease Control publishes articles explaining the causes of seasonal West Nile virus. Research proves mosquitoes

nata0808 [166]

Answer:

1. D

2. B

Explanation:

1.They inject the virus when sucking out the blood.

2. Bear/Mouse because bears don't seek out and eat mice.

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3 years ago