Answer:
Red blood cells are adapted to their function by:
1) They contain haemoglobin - a red protein that combines with oxygen. they have no nucleus so they can contain more haemoglobin.
2) They are small and flexible so that they can fit through narrow blood vessels.
3) They have a biconcave shape (flattened disc shape) to maximise their surface area for oxygen absorption.
Hope this helps! :D
Answer:
sorry im not in that level
Explanation:
Answer:
3
Explanation:
1. Incorrect - that is the rough ER (endoplasmic reticulum)
2. Incorrect - vacuoles don’t contain DNA. That is the nucleus
3. Correct - that is the mitochondria and respiration, the process of turning compounds into energy, takes place
4. Incorrect - that is the cell membrane, but it doesnt provide rigid support for the cell; the cell wall does
I hope this helps!!! :)
It seems that you have missed the given options for this question, but anyway, here is the answer. We are constantly bombarded by a variety of stimuli inside and outside of our bodies but we are not overwhelmed by sensory information because a<span> very tiny percentage of incoming sensory information is received by the cerebral cortex. Hope this helps.</span>
