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Paraphin [41]
2 years ago
9

Why do different cells of the body have different structures or shaps?​

Biology
1 answer:
klasskru [66]2 years ago
4 0

Answer:

Cells have different shapes because theydo different things. ... The shapes ofcells have evolved to help them carry out their specific function in the body, so looking at a cell's shape can give clues about what it does. Neurons are cells in the brain and nervous system.

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How can we fix man made structures from affecting our ecosystem ? any ideas!!!???​
ale4655 [162]

It can affect our ecosystem in many ways, think about the animals. Where are they going to live? If trees, get demolished to create a hotel, or a gas station.

3 0
3 years ago
Metamorphic rocks tend to show the same properties as the rocks they were formed from Question 3 options: True False
Ede4ka [16]
False because wen metamorphic rocks form they change there shape and they ether get bigger or smaller
6 0
3 years ago
Read 2 more answers
How does the heart fit into the level of organization?
Bezzdna [24]
It’s an organ that is part of the circulatory system
3 0
3 years ago
Which of the following is true? a. Extracellular matrix is a recent discovery. b. Extracellular matrix was discovered nearly 5 y
USPshnik [31]

Answer: d. Extracellular matrix was discovered more than 20 years ago.

Explanation:

According to biological sciences, the extracellular matrix is a matrix that consists of three dimensional network of extracellular macromolecules such as enzymes, collagen and glycoproteins which provide structural and biological support for surrounding cells as well.

It is found that it is discovered over 20 years ago in the matrix formed in the mouse EHS sarcoma. Therefore, correct answer is (d).

3 0
3 years ago
Calcium levels in the body are maintained by hormones. If the blood calcium level rises above a set point, calcitonin is secrete
Tanya [424]

Calcium levels in the body are maintained by hormones. If the blood calcium level rises above a set point, calcitonin is secreted by the thyroid gland and sets into motion responses to lower the blood calcium back to the set point. If the blood calcium level falls below a set point, the parathyroid gland secretes parathyroid hormone that sets into motion responses to raise the blood calcium. These homeostatic responses are examples of:

a. positive feedback

b. effectors

c. sensors

d. negative feedback

Answer:

d. negative feedback

Explanation:

Negative feedback responses are the ones that counteract the change. Any alterations in the internal body conditions such as blood calcium levels are sensed by receptors. The information is sent to the brain which in turn commands the effectors such as endocrine glands to secrete the required hormones to restore the normal conditions. Here, changes in the calcium levels are counteracted by the secretion of calcitonin and parathyroid hormones and the calcium is maintained within a narrow range. This represents negative feedback.

8 0
3 years ago
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