Module 15 Flashcards Preview

Science Moduels 13-16 > Module 15 > Flashcards

Flashcards in Module 15 Deck (24):
1

Gland:

A group of cells that prepare and release a chemical for use by the body.

2

Vaccine:

A weakened or inactive version of a pathogen that simulates the body's production of antibodies that can destroy the pathogen.

3

Hormone:

A chemical messenger released into the bloodstream that sends signals to distant cells causing them to change their behavior in specific ways.

4

Describe the main function of the Lymphatic system.

It fights diseases.

5

Describe the main function of the Endocrine system.

it controls various functions by releasing hormones.

6

Describe the main function of the Urinary system.

It regulates water balance and chemical levels in the blood.

7

What 2 kinds of basic structures make up the lymphatic system? In which of these structures is the lymph actually cleaned?

Lymph nodes, Lymph vessels. Lymph Nodes.

8

How does Lymph get pumped through the lymphatic system.

When mussels are squeezed.

9

What gland produces tears? What 2 purposes do tears serve?

Lacrimal Glands. 1 To flush irritants out of your eyes.
2 when you are sad.

10

What 3 kinds of cells in the lymph nodes fight infection?

B-cells, T-cells, and macrophage.

11

What kind of cell in the lymph nodes produces antibodies?

B-cells.

12

What kind of cells helps the Lymphatic system "remember" and infection so that it can fight the infection better the next time.?

Memory B-cells.

13

Does it do any good to take a vaccine once you are sick with the disease the vaccine is supposed to fight?

No.

14

Explain haw a kidney functions. Start with the blood going into the kidney and end with it leaving the kidney

The blood enters the kidney through the rental artery. Then the cells and protein in the blood get stopped by the first filter then the water and chemicals go into the nephron. during their travels most of the water and chemicals gets absorbed by the cells and are transferred back into the blood. any thing left exits the kidneys via the rental vein.

15

What does a kidney do with any exes water or chemicals? where do they go?

they go down the ureters then into the bladder then eventually they go out through the urethra.

16

What is the purpose of dialysis?

To filter blood when the persons kidney is not working properly.

17

What is the hypothalamus do?

it controls the pituitary gland.

18

What is the thyroid do?

It produces hormones that regulate the basal metabolic rate.

19

What is the parathyroid do?

It Produces a hormone that destroys bone to release calcium.

20

What is the pituitary do?

It Produces hormones that control many of the endocrine glands.

21

What is the adrenal do?

It produces cortisol, which causes the liver tp release glucose into the blood.

22

What is the pancreas do?

It produces insulin, which enables glucose to enter the cells.

23

What is the thymus do?

it produces hormones that control many of the endocrine glands.

24

Which gland is often called the "master endocrine gland"?

Pituitary gland.