Question

Fill in gaps with can (could), may (might), be able to, have to, must: 1. Respiratory system _______ provide oxygen for metabolism in the tissues. 2. All waste materials ______ be carried away from all body tissues. 3. The veins of the stomach and intestines __________ perform a unique function. 4. The liver ___________ remove toxins, stores sugars, and processes the products of digestion before they reach the other body tissues. 5. Circulatory system ________ provide cells with nutrients. 6. The term muscle ________ be derived from the Latin musculus meaning "little mouse". 7. Muscle action _____________ be classified as being either voluntary or involuntary. 8. The human skeleton ___________ be divided into the axial skeleton, and the appendicular skeleton. 9. There are usually 25 bones in the chest but sometimes there _________ be additional cervical ribs in humans.​

Answer 1

Відповідь :Respiratory system must provide oxygen for metabolism in the tissues.

All waste materials must be carried away from all body tissues.

The veins of the stomach and intestines may perform a unique function.

The liver can remove toxins, stores sugars, and processes the products of digestion before they reach the other body tissues.

Circulatory system must provide cells with nutrients.

The term muscle may be derived from the Latin musculus meaning "little mouse".

Muscle action can be classified as being either voluntary or involuntary.

The human skeleton can be divided into the axial skeleton, and the appendicular skeleton.

There are usually 25 bones in the chest but sometimes there might be additional cervical ribs in humans.

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