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RSB [31]
3 years ago
5

Which of these is a way the immune system works with other body systems?

Biology
2 answers:
tatyana61 [14]3 years ago
6 0

Answer:

A

Explanation:

it prevents bad virus when people are too sneeze the Mucus would filter or attempt to prevent you from getting sick.

Arte-miy333 [17]3 years ago
5 0
D) It produces osteoblasts.

Osteoblasts are derived from a mesenchymal progenitor cell that is multipotential and also can differentiate into marrow stromal cells and adipocytes.
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What are cells that express the same genes? A. The same B. Differentiated C. Mutated D. Not living
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Explain how dna, chromosomes, and genes are related pltw
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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
Organisms that use sunlight to convert carbon dioxide and water into food and oxygen are known as _[blank]_.
Mumz [18]

Answer:

Autotrophs.

Explanation:

Autotrophs may be defined as the organisms that can prepare their own food. The autotrophic organism do not depend on the other organisms for their food.

Plants are considered as autotrophs because they can prepare their own food. The autotrophs uses sunlight to convert the water and carbon dioxide into food and oxygen.

Thus, the correct answer is option (3).

5 0
3 years ago
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