THE HEART

Question 1

What is the heart

Answer 1

Hollow, double pump

Question 2

What is the hearts function?

Answer 2

Keeps blood circulating in blood cells around the body.

Question 3

How many chambers does it have?

What does it include?

Answer 3

It has 4 and includes valves and blood vessels

Question 4

What is the septum?

Answer 4

A strong macular wall.

Question 5

What does the septum do?

Answer 5

Separates the Valves and blood vessels and it can deal with oxygenated blood and deoxygenated blood simultaneously

Question 6

How many times does it beat in a minute

Answer 6

72 times

Question 7

What controls the increase and decrease of your heartbeat?

Answer 7

THE BRAIN

Question 8

What are the 4 chambers called?

Answer 8

The Atrium and Vnetricle

Question 9

Describe the Atria?

Answer 9

Has a thin wall

Question 10

What is the Atria’s function?

Answer 10

Pumps blood to the Ventricles assisted by gravity.

Question 11

What does the Right Atria do?

Answer 11

Receives blood from the head and arms through superior vana cava and from lower body regions, the inferior vena cava gets it.

Question 12

What does the Left Atria do?

Answer 12

Receives blood from left and right lung through Pulmonary veins(2 in each lung)

Question 13

Where do the Ventricles receive blood?

Answer 13

The two Atria’s

Question 14

Describe the walls of the Ventricles?

Answer 14

Thick

Question 15

What is the effect of the walls being too thick and muscular?

Answer 15

It bulges out towards the left side of the chest cavity

Question 16

What does Right Ventricle do?

Answer 16

receives deoxygenated blood through pulmonary artery to the left lungs

Question 17

What does the Left Ventricle do?

Answer 17

receives oxygenated blood from left atrium. then gets pumped through aorta to all parts of the body.

Question 18

How many vales are there in the heart?

What do they control?

Answer 18

4

the on way flow of blood through chambers of the heart

Question 19

Right Ventricle-where?

how many cusps and how secured?

Answer 19

Between right Atrium and ventricle
3
by tendonous cords to the wall of the right atrium

Question 20

Left Ventricle: where?

Answer 20

Between left atrium and ventricle

Question 21

Pulmonary valves: Where?
how many cusps?
Shape? Called?
Prevents what?

Answer 21

at entrance to pulmonary artery
2(moon shaped)-Semi-lunar valve
backflow through contractions of the heart

Question 22

Aortic valve: Where?

Function?

Answer 22

1. At entrance to Aorta

Semi lunar valve, prevents backflow from Aorta after condition of the heart.