THE BRONCHIOLES
Blood lacks respiratory pigment.
because it is a worm and it is always kept moist because it lacks a respiratory system.
No, the phylum Platyhelminthes does not have a circulatory system. They rely on simple diffusion to transport nutrients and gases within their bodies.
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One vertebrate that lacks a bony spine is the shark. Many different types of shark have cartilage instead of bones.
The bacterium would be less likely to colonize the patient's lower respiratory system.
Steam has the capacity to flow through the system without support of external energy sources like pumps. However, it lacks modulating quality
In specific areas yes. For example articular cartilage found in the knee and elbow is replaced by fibrocartilage when damaged as it lacks the ability to regenerate without the covering perichondrium
The cardiovascular system transports nutrients, hormones, and oxygen throughout the body.
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She relied on her friends for social support during a difficult time in her life.
She believes it lacks logic and support.