Red Blood Cells vs Muscle Cell

Red blood cells are also known as _________.

• erythrocytes

• leukocytes

• thrombocytes

• plasma

The main function of red blood cells is:

• to transport oxygen

• to fight infections

• to produce hormones

• to digest food

Which of the following best describes the shape of red blood cells?

• Long and cylindrical

• Round and flattened in the centre (biconcave)

• Square

• Irregular

Muscle cells are multinucleated, meaning they have multiple nuclei.

• True

• False

Fill in the blank: Red blood cells do not have a ________ to make extra room for haemoglobin.

• nucleus

• cell wall

• mitochondria

• chloroplast

Which cell type can have thousands of mitochondria due to their energy demands?

• Red blood cells

• Muscle cells

One similarity between red blood cells and muscle cells is:

• They both contain a nucleus.

• They both transport oxygen.

• They both are specialized cells.

• They both produce antibodies.

What is the main function of the heart?

• To pump blood and oxygen through the body, ensuring organs and muscles function properly, and to take carbon dioxide back into the lungs to be removed.

• To digest food and absorb nutrients into the bloodstream.

• To control the movement of bones and joints in the body.

• To filter waste products from the blood and produce urine.

Which side of the heart receives oxygenated blood from the lungs?

• The left side of the heart.

• The right side of the heart.

• The upper side of the heart.

• The lower side of the heart.

Which of the following is NOT a main valve of the heart?

• Tricuspid valve

• Pulmonary valve

• Mitral (bicuspid) valve

• Carotid valve