John Joe's user avatar
John Joe's user avatar
John Joe's user avatar
John Joe
  • Member for 4 years, 11 months
  • Last seen more than 4 years ago
11 votes
2 answers
2k views

Was iron important for the first life on Earth?

6 votes
3 answers
225 views

Why doesn't surgical steel cause inflammation?

4 votes
1 answer
4k views

What is the "stimulus" that initially triggers an action potential?

4 votes
1 answer
73 views

What is the difference between how motor function is controlled in cerebrum vs frontal lobe?

4 votes
1 answer
471 views

What do you call clearly different sub-groups within a species?

3 votes
3 answers
137 views

To what extent can bacteria actually see?

2 votes
0 answers
354 views

Could large plants grow out of large, solid rock in some way? What is primarily stopping them?

1 vote
0 answers
29 views

What's the name for this kind of pointy/raised texture in animals?

1 vote
2 answers
5k views

Is each blade of grass an individual plant or not?

1 vote
2 answers
2k views

Where are eosinophils and basophils phagocytic?

1 vote
1 answer
33 views

Is there a name for the behavioral phenomena of when animals like ants sacrifice themselves?

1 vote
0 answers
27 views

How does the body regenerate nerves?

1 vote
1 answer
354 views

What does the immune system do to stop pathogens that aren't killed by macrophages?

1 vote
0 answers
19 views

Which nervous system is the Sensory system a sub-unit of?

1 vote
1 answer
145 views

Why is the head/neck of the femur at that 120-150 degree angle?

1 vote
0 answers
58 views

How do emus/ostriches/rheas have their upper leg connected to the rest of their body?

1 vote
1 answer
114 views

Why did some animals evolve inward-slanted legs?

1 vote
2 answers
250 views

Which filament slides past which?

0 votes
1 answer
101 views

How does use an action potential from innervation selectively modify tropomyosin over time?

0 votes
1 answer
116 views

How does an animal having toes create more friction than not?

0 votes
1 answer
52 views

What prevents platelets from clotting regular blood vessels?

0 votes
0 answers
37 views

How are ants able to dig with such pointy limbs?

0 votes
1 answer
116 views

Do B/T cells form from lymphoid tissue or bone marrow?

0 votes
1 answer
153 views

Do birds have quadriceps and thighs fused into their hips?

0 votes
1 answer
86 views

Is the heart more relaxed when stretched or contracted, and how does it affect cross-bridge interactions?

-1 votes
1 answer
54 views

Is the axon part of a Schwann cell or no?

-3 votes
1 answer
1k views

If motor neurons are part of the CNS, what is the PNS made of? [closed]