LSS15.1a Functions of a transport system and its parts

Blood is a fluid tissue, consisting of ____ parts.

There are ____ and ___ blood cells, ____ and ____.

(a)  

The plasma consists mainly of ____. This acts as a ____ for many substances in the _____. The main aim is to ____ these substances to different parts of the ____.

(a)  

The main aim of plasma is to transport substances to different parts of the body.

Glucose and _____ ____ are transported from the ____ ____ to other parts of the body.

At the same time, substances are removed, like carbon dioxide and other ____.

Plasma also transports h_____s.

(a)  

Red blood cells mainly transport ___ around the body.

They are ___ in shape so that there is an ___ in surface area for ___ oxygen exchange.

(a)  

Red blood cells mainly transport oxygen around the body.

They _____ nucleus so there is ____ space and able to store ____ haemoglobin and oxygen.

• have a,

  more,

  more

• have a,

  less,

  less

• have no,

  more,

  more

• have no,

  less,

  less

Red blood cells mainly transport oxygen around the body.

Their membrane is _____ so they can ____ through the tiny ____ ____ in the circulatory system.

(a)  

White blood cells are mainly for ____ the body against infectious ____ and ____ materials.

White blood cells are produced in the ____ marrow and have ____ life spans.

(a)  

Platelets are _____-____ so that they can ____ ____ and stop ____ if needed.

(a)