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maks197457 [2]
2 years ago
9

ACTIVITY 3

Biology
1 answer:
Gwar [14]2 years ago
5 0

Answer:

mucus

trachea

<em><u>hope</u></em><em><u> it</u></em><em><u> helps</u></em><em><u> you</u></em><em><u> </u></em><em><u><</u></em><em><u>3</u></em>

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When using a hammer, a person makes use only of the bones and muscles in his/her arm
Debora [2.8K]

Answer:

false

Explanation:

in all living organisms, it consist of  systems that shows a  complemetary nature of structure and function at all organizational  levels . these levels are cells, organs, tissues, organ systems, whole organisms,  and ecosystems. every part plays a role in every function in the body.

8 0
3 years ago
Why does snakes and frog goes for winter sleep?plz help me fßi need it's and know​
pentagon [3]

Answer:

Explanation:

Snakes, like all reptiles, are cold-blooded (also known as ectothermic). This means they regulate their body temperature by lying in the sun to warm up, or moving into the shade to cool down. Snakes that live in cold climates like ours must seek refuge in a hibernaculum throughout the winter

4 0
2 years ago
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Which statement correctly distinguishes between all mechanical and all electromagnetic waves?
Helen [10]

Answer:

Mechanical waves carry energy through matter; electromagnetic waves carry energy through space.

pls mark me the brainliest

5 0
3 years ago
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The primary neurotransmitter at the neuromuscular junction is
aleksandrvk [35]

Answer:

<u>acetylcholine</u>

Explanation:

In the pre-synaptic knob there are vesicles which contain a transmitter substance called acetylcholine. When an impulse reaches the synaptic knob, it stimulates the vesicles to move towards the pre-synaptic membrane releasing the acetylcholine.

The transmitter substance makes the membrane permeable. The neuromuscular junction contains the sensory neurone(afferent), motor neurones(efferent) and the relay neurones(connector).

5 0
4 years ago
Name one type of mutation which could result in cancer
Nuetrik [128]

Answer:

Hey, here is your answer mate

Explanation:

These mutations may eventually lead to cancer, particularly mutations in tumor suppressor genes or oncogenes. Mutations in DNA repair genes may be inherited or acquired. Lynch syndrome is an example of the inherited kind. BRCA1, BRCA2, and p53 mutations and their associated syndromes are also inherited.

Hope you understand

6 0
3 years ago
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