Human Body

Question 1

Plasma

Answer 1

Plasma is 90% water and it is what carries blood around our body

Question 2

Haemoglobin

Answer 2

Red pigment that contains iron. Located in red blood cells it carries oxygen

Question 3

Septum

Answer 3

The heart is a double pump separated into the left and right side by the septum

Question 4

Aorta

Answer 4

Oxygenated blood leaves the heart to go to the rest of the body

Question 5

Venae Cavae

Answer 5

Deoxygenated blood enters the right atrium of the heart through the venae cavae

Question 6

Atria

Answer 6

the upper chambers of the heart, where blood first enters the heart

Question 7

Ventricles

Answer 7

the lower chambers of the heart where blood goes when it leaves the atria.

Question 8

Pulmonary artery

Answer 8

brings deoxygenated blood from the body to the heart.

Question 9

Valves

Answer 9

Gateways that open and close to let blood flow through the heart, and stop backflow in the veins.

Question 10

Pulse

Answer 10

A wave of vibrations that passes through an artery in response to blood being forced out of the left ventricle.

Question 11

Oxygenated blood

Answer 11

Blood rich in oxygen that comes from the lungs.

Question 12

Deoxygenated blood

Answer 12

Blood that comes from other parts of the body that has less oxygenated , and more carbon dioxide. It must go to the lungs to get more oxygen.

Question 13

Healthy heart

Answer 13

A balanced diet, exercise and rest are very important for a healthy heart.

Question 14

Ncreased

Answer 14

surface area to allow food to be absorbed into the bloodstrea. PancreasIngestion: the food is taken into the mouth

Question 15

Digestion

Answer 15

the food is broken down into simpler, absorbable molecules

Question 16

Absorption

Answer 16

the absorbable molecules are passed into the blood and carried to all of the cells of the body

Question 17

Assimilation

Answer 17

the food is used by the body for energy and to build new cells

Question 18

Egestion

Answer 18

undigested food material is released from the digestive system as faeces

Question 19

Villi

Answer 19

small fingerlike projections that cover the small intestines. They provide an increased surface area to allow food to be absorbed into the bloodstream.

Question 20

oesophagus

Answer 20

carries food to the stomach.

Question 21

stomach

Answer 21

The stomach mixes and churns the food. This is more physical digestion.

Question 22

small intestine.

Answer 22

Nutrients from the food are absorbed into the blood

Question 23

The liver

Answer 23

produces a green liquid called bile.
•Bile is stored in the gall bladder, from where it is passed into the small intestine.
•Bile helps digest fats.