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Y_Kistochka [10]
3 years ago
15

Help me ALL of these, and you get brainiest! (:

Biology
2 answers:
Luden [163]3 years ago
6 0
Just leaving a comment ..
Evgen [1.6K]3 years ago
5 0

Answer:

1. Circulatory System

2. Respiratory System

3. Endocrine System

4. Nervous System

5. Urinary/ Excretory System

Explanation:

1. Circulatory System- The heart pumps blood and blood vessels such as arteries and veins, transports the blood to every part of our body providing organs and muscles with nourishment.

2. Respiratory System- This system maintains our breathing. It supplies the body with oxygen for cellular respiration.

3. Endocrine System- The glands of the endocrine system secrete chemicals called hormones that regulate most of the processes in our bodies like growth, reproduction, metabolism, etc...

4. Nervous System- The entire nervous system controls all of the other systems of the body and it also transmits information to the brain, such as pain and external sensations.

5. Urinary/Excretory System- This system is responsible for eliminating waste products of metabolism and other materials from the body that are of no use.

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Fires can result from both human disturbances and natural causes. An immediate effect that wide-spread fires have on any ecosyst
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Answer:

B. a decrease in vegetation.

Explanation:

For exclusion:

Cannot increase the vegetation.

And increase the soil erosion.

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7 0
3 years ago
The skin's immune responsiveness will be diminished by a decrease in the number of epidermal _________ cells.
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CD8 helps with recognition of which of the following molecules on the surface of a cell?
Shalnov [3]

Answer:

MHCI

Explanation:

Major histocompatibility complex I (MHCI) is present on the nucleated cells of the body. Endogenous pathway represents the pathway of MHC class I molecules.

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7 0
3 years ago
Help me please!!! I need this
Alenkasestr [34]

Answer:

The correct answer is - option A. 1 (ovary).

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